Speaking from the White House today, Obama said the deal marks a 'turning point for the world' adding that the agreement was down to 'strong, principled, American leadership.' Saturday afternoon leaders from almost 200 countries signed a partially binding agreement to drastically cut and them eliminate harmful pollution to ward off the worst effects of climate change.

WARNING GRAPHIC CONTENT: Police dashboard video from Texas shows a tight group gathered in front of the Twin Peaks patio before the brawl breaks out, wreaking havoc outside the Waco restaurant. Several bikers duck for cover as one is seen striking others with a chain, swinging it wildly over his head. Twenty seconds later, the biker who was wielding the chain is shot in the leg and the hip, staining the grass with blood - he was struck by the same caliber of rifle fired by Waco police. Four of the nine people killed in the melee between rival biker gangs outside the restaurant were struck by the same caliber of rifle fired by Waco police.

Real border patrol officers from a Laredo, Texas, station stopped the vehicle heading north on Interstate 35 after an agent thought that something was unusual with the cloned Chevy Tahoe. Twelve people (left) were found jammed into the back of the SUV after the suspicious vehicle was stopped. Unlike real Border Patrol SUVs, the fake one had a low bumper and did not have lights mounted on top.

WORLD EXCLUSIVE: Shaker Aamer, the Briton held at Guantanamo Bay for 14 years, pictured, recalled his 5,007 days in prison without even being charged. In the almost 14 years Aamer spent at Guantanamo, he was a victim of the Forcible Cell Extraction team many hundreds of times - he says that in one year, 2012, he was 'FCE'd' 370 times, more than once a day. The last time was just two months before his release, because he refused to give four vials of blood, demanded on the spurious grounds that the authorities were checking inmates for tuberculosis.

GIRL ABOUT TOWN: She recently vowed never to let Prince George on a motorbike, but it seems the Duchess of Cambridge is more relaxed about her son riding ponies. The two-year-old Prince (pictured left) shrieked with delight after clambering aboard a Shetland owned by friends of his parents in Norfolk. Royal sources say he has taken to riding like a duck to water. In contrast, William has ridden from an early age - his parents gave him a Shetland called Smokey when he was four (pictured right).

Even a royal has to pop out for some last minute Christmas shopping from time to time. And wrapped up warm in her favourite coat, paired with stylish black boots, the Duchess of Cambridge looked ready to do battle with the festive hordes on Friday. Kate, 33, was spotted in upmarket Chelsea, where she spent an hour in department store Peter Jones, a branch of John Lewis.

Authorities say a former Oklahoma City police officer convicted of 18 charges including first-degree rape is under 24-hour watch in jail after an emotional outburst following his conviction. Oklahoma County Sheriff's Office spokesman Mark Opgrande said Friday that Daniel Holtzclaw is in special protection inside the jail as a precaution because of his demeanor after the trial. The 29-year-old Holtzclaw began sobbing late Thursday after a jury convicted him. Opgrande says Holtzclaw is being held in a single cell inside the county jail and is under 24-hour surveillance by a jailer. The former police officer was placed on suicide watch, Sheriff John Whetsel has said.

'The field of Republicans out there is so messed up, I figured, makes you miss me, doesn't it?', Ferrell joked while playing Bush (seen main). He also said that Trump's views on Muslims are 'not what this country is all about' and 'I say no thanks to Donald Trump' after mocking his photo (top left) and calling him an Oompa Loompa (top right). While reprising his old role as Bush, Ferrell also ripped into Ben Carson, Carly Fiorina, Marco Rubio, Ted Cruz and his brother Jeb.

A soldier with the U.S. Army Military Police and his working dog who were injured by an IED in Afghanistan are recovering at a hospital in the United States. Specialist Brown and his military working dog Rocky were wounded in the first week of December, and were being treated in the same hospital room, according to the 89th Military Police Brigade's Facebook page.

Human snow globes, wrapped packages and the occasional Santa Jedi were also part of the festivities Saturday as the group stepped off in Brooklyn's Williamsburg neighborhood. The all-day 'merry marathon' started at 10am in Brooklyn's McCarren Park and is planned to make its way through Williamsburg and Greenpoint before ending promptly at 7pm in the East Village.

The U.S. Navy's newest ship broke down at sea on Friday and had to be towed to a base in Virginia. The littoral combat ship, the USS Milwaukee, had to be towed more than 40 nautical miles to Joint Expeditionary Base Little Creek after suffering an engineering casualty.

Ronda Rousey, 28, teamed up with Marine Jarrod Haschert (pictured left) at the event, as promised, seemingly shrugging off her recent loss to rival fighter Holly Holm. Back in August, Haschert, 22, bravely posted a video to Facebook, pictured bottom right, in which he asked his 'celebrity crush' to accompany him to the event. Rousey is seen at the event top right.

Just when you thought you were clever for solving a ridiculously difficult quiz, several more have arrived to wipe the smile off your face. A crossword-style puzzle released by the UK governments communications headquarters (GCHQ) had people across the country and the world scratching their heads, even though it is only stage one of the intelligence agency's festive brainteasers. Those who solved it found out the solved grid was actually a QR code that grants access to fiendishly hard challenges (pictured), including some that don't even come with instructions.

A cat with a mean right hook has given a stuffed tiger toy a serious pounding in a hilarious video. Footage shows the ruthless animal rising onto its back legs and hissing before repeatedly punching the toy square in the eye. Uploaded to Youtube on Saturday, the minute-long clip has accumulated more than 8000 views, with viewers labelling the furious feline as 'Cat-sius Clay' and 'a boxing champion.'

Four years ago, he was the toast of the music industry, a string of sold-out arena shows under his belt and his third platinum-selling album topping the charts. But then James Morrison disappeared. His soulful voice fell silent, the appearances dried up and baffled fans were kept waiting and waiting for his next release. Morrison had become a virtual recluse from the music scene, holed up in the mansion that his six million album sales had bought him - literally building a high gate to shelter himself from the outside world. Only now has he finally emerged from that self-imposed exile with the release of a long-awaited new album. And only now is he able to speak of the demons that he has fought in his extended spell away.

Oh My Girl, (left) a girl group whose members range in age from 16 to 21, arrived at Los Angeles International Airport (top right) on Wednesday and said they were held for more than 15 hours. Their management company said 'they were mistaken as 'working women', but US Customs and Border Protection does not comment on individual cases. Los Angeles's Korean community says more scrutiny is being placed on young Korean women coming to the city because of efforts to crack down on 'doumi' girls who are paid to socialize with men at bars in Koreatown (bottom right).

Eleanore Stern, 31, was caught on camera as she kicked the Florida Highway Patrol trooper at the Deerfield Beach Department of Motor Vehicles in Florida. Stern can be seen aggressively turning to face the trooper as she fights with him and holds onto him. He keeps calm but attempts to get her under control and throws her to the ground.

An Alaska family's Christmas lights are spreading joy not only around their neighborhood but around the entire world because they allow anyone on the Internet to turn them on and off. Ken and Rebecca-Ellen Woods, of Fairbanks, set up the website christmasinfairbanks.com, which allows users to watch their house in real time and play with 12 different sets of lights. The result is a constantly-changing constellation of Christmas cheer, as hundreds of users make the home twinkle by tinkering with different combinations of wreaths, railings and trees.

A series of stunning photographs capture the moment a large leopard seal decided to play with a team of French divers, under the ice on an expedition to Antarctica. Photographer Alexandre Voyer managed to take the snapshots while he got up close and personal with the giant mammal. But he had to approach the seals with caution as they have a sharp set of teeth (inset) and can become very dangerous when threatened.

The driver came within seconds of death when his lorry was hit by the passenger train at 7.38am on Friday after he ignored the flashing red light in the Czech city of Frydek-Mistek. CCTV footage shows the moment the lorry was hit with such force that the cab was separated from the container. Amazingly, the driver escaped with only minor injuries.

Pastry chefs at Ritz-Carlton Dove Mountain, in Arizona, worked on the 20ft, life-size gingerbread house (left) for weeks. They made hundreds of gingerbread bricks that form the outer walls and decorated the house with icing, candy canes, gum drops and hard sweets. Guests will have to spend some dough to reserve the dining room (right) - a reservation costs $150, plus the price of dinner.