A security source said Lebanese forces are pursuing several suspected Sunni terrorists, and that Syrian airstrikes targeted Al Nusrah Front members yesterday in the Bekaa valley. Residents of the border town of Arsal braced for a flood of refugees from Yabroud as a regime offensive there intensified. Special forces arrested Syrian national Jamil Aziz al-Hasan near his home in Anfeh, on suspicion of links to twin bombings on mosques in Tripoli on Aug. 23. Maronite Cardinal Beshara Rai said efforts to free 13 nuns kidnapped in Syria have stalled; a new video showing the nuns, who may be in Yabroud, was released on Feb. 9.