Syria Chemical Weapons 'Use' a 'Game Changer' - Obama
While US and British governments had earlier said Assad regime may have used nerve gas sarin, Obama in no hurry to intervene in Syria.
China Orders Troops and Tanks to North Korean Border
Beijing 'mobilises' troops and tanks in region separated by Yalu River.
North Korea Warns South Korea over Calls for Kaesong Talks
North Korea rejects talks and threatens tough action against southern neighbour.
Moscow Psychiatric Hospital Fire Kills 38, Only 3 Survivors [VIDEO]
Fire reportedly caused by electrical short-circuit ravages hospital on city's outskirts.
North Korea Nuclear Test's Radiation Leak 'Detected'
But crucial detail of whether Pyongyang used plutonium or uranium in 12 February test still missing.
Boston Marathon Bombings: Lawmakers Grill FBI over Tamerlan Tsarnaev Probe
Senators question information sharing procedures among intelligence officials during closed-door hearing.
South Korean Defence Minister Receives Suspicious Parcel
Packet, initially feared to contain toxic substance, turns out to be just wheat flour.
Canada Train Terror Plot 'Driven by Al-Qaida in Iran'
Two arrested suspects received 'direction and guidance' from al-Qaida militants, say Canadian police.
Boston Marathon Bombings: Dzhokhar Tsarnaev Formally Charged
'Bomber Two' charged with using weapons of mass destruction and malicious destruction of property and will face death penalty if convicted.
Boston Marathon Bombings: Russia Stonewalled FBI Request on Tamerlan Tsarnaev
FBI request for additional information on Tamerlan Tsarnaev unanswered by FSB.
The Shia Axis: Pro-Assad Lebanese Leaders in Syria as Hezbollah Chief Plans Iran Visit
More than 50 Lebanese political leaders hold talks with Assad while Hassan Nasrallah appears likely to go to Tehran.
Boston Marathon Bombers 'Were Planning More Attacks' [VIDEO]
Police recover large cache of weapons from Tsarnaev brothers as prosecutors prepare to file charges against Dzhokhar Tsarnaev.
'Taliban of Syria' Threatens to Behead Opponents
Taliban of Syria vows to decapitate anyone who cooperates with Assad.
North Korea 'Moves' Two Scud Missile Launchers
Seoul reports based on satellite images suggest Pyongyang has moved missile launchers targeting South Korea.
Boston Marathon Bombings: Prosecutors Mulling Terrorism Charges
As Dzhokhar Tsarnaev lies critical in hospital, initial reports indicate the suspect does not have a terrorist link.
North Korea Offers Arms Reduction Talks with US
Pyongyang agrees to arms reduction talks, but rules out denuclearisation of Korean Peninsula, a key US demand.
Boston Marathon Bombings: Investigators Seek Motive
Dzhokhar Tsarnaev and Tamerlan Tsarnaev have Chechen connections, but are they relevant to the bombing?
Boston Marathon 'Bomber' Dzhokhar Tsarnaev Caught Alive
Dzhokhar Tsarnaev, teenage suspect in Boston marathon bombings, was hiding in a boat parked in a homeowner's backyard in Watertown.
Boston Marathon Bombers in Shoot Out With Police on MIT Campus
One alleged bomber is believed to be dead or in custody, the second is on the run, following an intense gun battle on MIT campus that left a university police officer dead.
Pakistan's Former President Musharraf 'Surrenders' in Court
Musharraf's party says he surrendered and was not arrested.
Police Officer Shot Dead on MIT Campus near Boston [PHOTOS]
A major police operation is under way in a town outside Boston following the fatal shooting of a police officer at the Massachusetts Institute of Technology (MIT) in Cambridge.
Boston Marathon Bombings: FBI Releases Suspects' Photos
Two suspects wearing baseball caps were caught on CCTV camera minutes before blasts at finish line of Boston marathon.
Japan Urges South Korea to Sign Military Pact over North Korea Threats
Tokyo is ready to sign military intelligence deal with Seoul at 'any time' amid tensions in Korean Peninsula.
Iran to Enrich Uranium to 50% to Power Submarines 'If Needed'
Tehran to press ahead with further uranium enrichment if nuclear-fuelled vessels need it.
Boston Marathon Explosions: Bombs Packed in 'Pressure Cookers'
FBI suspects explosives were placed in nylon bags or backpacks along with ball bearings and nails, which maimed several victims.
North Korea will Attack South Korea 'Without any Notice'
Latest threat in response to anti-North Korea demonstrations in Seoul.
Boston Marathon Explosion: Eyewitnesses Recall 'Sonic Boom' While Officials Say Devices 'Unsophisticated' [VIDEOS]
Eyewitnesses speak of blood and severed limbs at scene of blasts.
Boston Marathon Blasts: Obama Vows to Hunt Down Perpetrators
Two explosions at marathon which killed three people and injured over 100 being treated as an act of terror.
Kim Jong-un Marks Grandfather's Birthday with Flowers - not Missiles
North Korea was widely speculated to launch a missile to mark occasion.
Nicolas Maduro Elected as Hugo Chavez's Successor to Lead Venezuela
Chavez's heir Maduro secures narrow win over Henrique Capriles with 50.7% of vote.