Britain, France and the US are to table a resolution in the UN Security Council regarding Syria's chemical weapons later today, the Prime Minister has said.
The announcement follows talks between the leaders of the three countries today.
Mr Cameron added that Russia's proposal for Syria to hand over its chemical weapons needed to be tested, as well as being subject to a deadline.
More top news
The Russian government has launched a campaign urging people to take safer selfies after after high-risk poses resulted in dozens of deaths.
Actor Harry Shearer who is the voice of Mr Burns, Ned Flanders and Principal Skinner has re-signed for a 27th season of The Simpsons.
The 25-year-old Swede has made a fortune posting videos of himself playing computer games online.