Little is sacred in the war in Syria as a 13th century mosque comes under attack in Homs.<br/> <br />This month Syrian forces have targeted Homs, seen as crucial to the government's attempts to link the capital to President Bashar al-Assad's coastal strongholds. The hope is to divide rebel units in the north and south.<br/> <br />The video, which could not be independently verified comes as members of Syria's opposition say they have given up hope that the US will deliver on promised military aid.<br/> <br />National security sources say Congress is holding up plans over fears that the deliveries will not be decisive -- and arms may end up in the wrong hands.<br/> <br />Now buildings in Syria's third largest city have been cracked open. Fires burn in destroyed rooms. Activists say the death toll now stands near 100,000, in a conflict that has gone on for more ethan two years.<br/> <br />The United Nations has expressed alarm at conditions in Homs, saying last week that as many a 4,000 civilians are trapped --
