Assessing the damage in Damascus.<br/> <br />The U.N. releases footage of observers touring suburban Damascus on Saturday following overnight fighting.<br/> <br />Rights groups say at least 33 people were killed throughout the country Saturday.<br/> <br />A ceasefire agreed between President Bashar al-Assad's government and Syrian rebels in mid-April has failed to take hold. Now observers have been reporting on instances of violence.<br/> <br />Both sides blame each other for the violence.<br/> <br />Deborah Lutterbeck, Reuters