STRINGER/REUTERS
A gunman rides a motorcycle through the streets of Kaskas in Beirut , after a night of tension following the funeral of the anti-Syrian intelligence official Wissam al-Hassan
STRINGER /REUTERS
Barricades and tyres were set on fire to block a road during clashes between gunmen and members of the Lebanese army in Koula, Beirut.
STRINGER /REUTERS
Soldiers were out in force as clashes took place in Beirut.
MOHAMED AZAKIR/REUTERS
A Lebanese army convoy secures an area in Beirut. At least three people were killed in the overnight violence in Tripoli.
STRINGER /REUTERS
The Lebanese army has vowed to restore order.
STRINGER /REUTERS
Many people stayed at home for fear of violence.
STRINGER /REUTERS
Signs of the battles fought overnight littered many streets in Beirut.
AHMED JADALLAH/REUTERS
Groups of men enraged by Hassan's assassination had tried to storm government offices on Sunday.
AHMED JADALLAH/REUTERS
Soldiers shot in the air and fired tear gas on Sunday to disperse the protesters.
STRINGER/REUTERS
Thousands of people attended the funeral of Hassan and his bodyguard Ahmed Sahyouni in Martyrs' Square in downtown Beirut on Sunday.
STRINGER /REUTERS
Hassan's killing has once again brought to the fore Lebanon's domestic tensions.