assault. troops are surrounding the city. at least 30 people are reported killed today. saudi arabia has drafted a formal condemnation saying the government there is violating human rights and the u.s. ambassador to syria directly blames the syrian military for killing hundreds. here now is ivan watson. reporter: residents of the besieged city of homs a woke once again at dawn on saturday morning to another day of sustained bombardment. that is routine. a deadly routine they have lived for for the better part of a week, a routine that has killed hundreds of people and wounded hundreds more. at the hands according to the u.s. ambassador to syria of the syrian military. take a listen to what ambassador robert ford had to say to wolf blitzer friday night. we know who is shelling homs and it is not the armed opposition groups. it s the government. and that s why i wanted that picture put on our facebook account so people could see there is the artillery and that s what s firi