UN monitors have confirmed that Syria is using helicopters to fire on residential areas in Homs.

The international envoy Kofi Annan and the US have also expressed fears that the government may be organising another massacre, this time in the town of Al Haffa, in Latakia province.

This amateur footage, said to have been filmed on Sunday, shows the bodies of at least ten children.

Opposition activists say 63 civilians were killed nationwide on Monday.

Al Jazeera's Nicole Jonston has more.