At least 23 Syrians have reportedly been abducted. A Lebanese Shia group says that it is behind the kidnappings. The Meqdad clan claims the move is in retaliation for the abduction of one of its family members, who is apparently being held by Syrian rebels. And now several Arab countries are urging their citizens to leave Lebanon because of fears of more kidnappings. Al Jazeera's Azhar Sukri reports.