The target -- rebel held parts of Damascus in this latest video posted to a social media website.<br/> <br />Reuters cannot independently verify activists reports that government fighter planes are carrying out airstrikes in the capital.<br/> <br />Other video shows rebels holding parts of cluster bombs. Similar accounts have some human rights groups speculating that Syrian forces are increasingly using cluster bombs in civilian areas.<br/> <br />The latest reports say at least 40,000 people have been killed since the uprising began 20 months ago.
