The United Nations is considering a resolution to allow humanitarian access and an investigation at the site of an alleged chemical weapons attack in Syria.
Diplomats are negotiating revisions to a proposal which is facing resistance from Russia.
Moscow maintains that there was no chemical weapons attack at the site in a Damascus suburb on Saturday.
Our Washington Correspondent Daniel Ryntjes explains more...
IN: A number of...
OUT: ...without delay.
DUR: 30"