US Secretary of State John Kerry has said that new evidence has tested positive for use of sarin gas in the Syrian chemical attacks, Reuters reports, citing US broadcaster CNN.
He also voiced confidence that Congress "will do the right thing" on President Obama's request for approval of a unilateral military strike against the Syrian regime.
More top news
Two bodies found in the Himalayas have been identified as Alex Lowe and David Bridges - 16 years after they went missing.
British troops have arrived in war-torn Somalia in a bid to tackle the threat from Islamists militants.
The first US cruise ship to Cuba for over 40 years has set sail from Miami.