Syrian troops shelled Saturday several districts in the rebellious central city of Homs where a standoff continued between a Red Cross convoy and the government that has blocked the delivery of food, medical supplies and blankets to the thousands still stranded in the area. The Associated Press quoted Abu Hassan Al-Homsi, a doctor at a makeshift clinic in Khaldiyeh district of Homs, as saying he treated a dozen wounded. "This has become routine, the mortars start falling early in the morning," he said. Several homes were damaged from the morning shelling, which he described as steady but intermittent. Most of those he treated were lightly wounded, Al-Homsi added. The Local Coordination Committees activist network said mortars slammed into Khaldiyeh, Bab Sbaa and Khader districts of the city early Saturday. The shelling comes amid a standoff between the government and the Red Cross, which says authorities have prevented it's convoy from delivering badly needed supplies in Baba Amr. --MORE