The White House also says it is open to an age limit for people buying AR-15-type assault rifles.
Over 200 people have been killed in the rebel-held region outside of Damascus, Syria.
But the North's delegation pulled out of the scheduled meeting at the last minute, say US officials.
Why is the US president's son delivering a foreign policy-type speech in India while selling flats?
Ali Ouattara's son Adou was found curled up in a suitcase being smuggled into Spain.
Woman notices her sister is suffering from a stroke while they spoke on a FaceTime call.
AI could be used by rogue states, criminals and terrorists for malicious purposes in the near future.
Locals describe a "wild few hours" after their outback community was hit by a storm.
The actor maintains he is "alive and well" after a bogus online prank claimed he had died.
Alex van der Zwaan, the 19th person to be charged, pleads guilty to making false statements.
Archbishop Charles Scicluna is looking into accusations that a bishop covered up abuse.
Khalid Jabara was shot dead outside his home after his family was harassed for months.
The latest global news, sport, weather and documentaries
Stories from around the world
Email us at firstname.lastname@example.org
Send an SMS or MMS to +44 7624 800100
Follow Have Your Say on Twitter
Why you can trust BBC News