At least two more civilians were killed in Syria on Thursday, activists said, as the Arab League prepared to meet to discuss measures against Damascus over its bloody crackdown on dissent. It said heavy machinegun fire blasted the city of Rastan following a one-hour clash early on Thursday between soldiers and army defectors. Ahead of the Arab League meeting in the Egyptian capital, Lebanon’s Foreign Minister Adnan Mansur said Beirut would not endorse any potential sanctions against Syria. “Lebanon will not endorse any sanctions by the Arab League against Syria,” Mansur, who is backed by the Shiite militant group Hezbollah which is supported by Damascus and Tehran, said before heading to Cairo.