World news
Live US calls for international observers as Ukraine places forces on combat alert and threatens war -live updates
Follow the day’s developments as tensions continue to escalate in Crimea and US warns Russia of ‘costs’ if Moscow intervenes
Knife attack at train station leaves dozens dead in south-west China
At least 27 people dead and 109 injured after knife-wielding group attacked Kunming railway station in Yunnan province
-
Rouhani says Iran will not acquire nuclear weapons 'on principle'
President Hassan Rouhani says pursuit of WMDs is against ‘our religion’ while stressing commitment to diplomacy -
Senators to investigate NSA role in GCHQ 'Optic Nerve' webcam spying
Three senators condemn UK spy agency’s ‘breathtaking lack of respect’ over interception of Yahoo users’ webcam images -
El Chapo: drug lord's arrest sparks apprehension from Mexico to Chicago
Sinaloa cartel leader’s capture leaves Mexicans fearing more bloodshed, while few in US believe the flow of drugs will slow -
Philip Seymour Hoffman died of overdose, medical examiner rules
New York City medical examiner concluded actor died from a mix of heroin, cocaine, amphetamines and benzodiazepines
- Ukraine PM warns of war as Russian military seizes control in Crimea
- Crimea's Putin supporters prepare to welcome possible Russian advance
- China horrified as mass stabbings at Kunming rail station leave dozens dead
- Russian parliament approves troop deployment in Ukraine
- Pakistan Taliban announces one-month ceasefire to aid peace talks
- It's not unusual for Cuban cigars to sell for $1.1m – but Tom Jones is new guest
- White House meeting discusses tension between Russia and Ukraine in Crimea
- Gay military veterans group to march in Boston St Patrick's Day parade
- Tornado warning issued for parts of Los Angeles as Pacific storm moves east
- Gay British man deported from Uganda urges government to help his partner
- In a landmark week, acceptance of gay people is a fact in Georgia Bible belt
- Eyewitness: Kiev, Ukraine
- Iditarod race draws dogs and mushers to Alaska for epic contest
- NBA to donate proceeds from Jason Collins jerseys to LGBT causes
