BEIRUT- Violence erupted after funeral ceremonies Sunday for the intelligence chief whose assassination has plunged Lebanon into its worse crisis in years, threatening to ignite simmering sectarian tensions already aggravated by the war in Syria.

Leaders of the March 14 alliance have accused the Syrian government of killing Brig. Gen. Wissam al-Hassan, the head of the Internal Security Forces’ information department in revenge for his role in exposing an alleged Syrian plot to plant bombs in Lebanon. He was a close friend and ally of Sunni political leader Saad al-Hariri, a central figure in Lebanon’s anti-Syria camp.

Hundreds of angry mourners surged toward the offices of the prime minister in downtown Beirut on Sunday after speakers at the funeral exhorted Sunnis to exact revenge for Hassan's death by toppling the Hezbollah-led government.

Read the full story here.