BEIRUT (AP) – Lebanese gangs backing the regime in Damascus smashed storefronts belonging to Syrian merchants on Wednesday and a powerful clan claimed it was holding more than 20 Syrians captives as the civil war across the border stirred tensions in this fragile Arab nation.

via AP News: Syria's conflict stirs unrest in fragile Lebanon.

It was really only a matter of time. Combined with Reports of similar sectarian issues in Turkey, it shows just how likely regional problems are unless the Security Council actually steps. I anticipate another Chinese and Russian veto within a month.