Sixteen people were killed last month in the town during clashes between striking oil workers and police.

On the Tuesday night, during further clashes between loyalists and republicans, about 700 people were involved.

Over 1,000 protesters were arrested during clashes with security forces.

At least 40 people, most of them opposition supporters, were killed in early November during clashes with the police.

The authorities said four police officers had been injured during clashes throughout the day.

During clashes with the police, some shots were fired.

Last month, more than two dozen people died during clashes in Cairo.

Tension among the groups reached its peak in the 1990s with a large number of people injured during open clashes.

Two police officers and a steward were injured during clashes.

Several insurgents were wounded or killed during clashes in the first two weeks of March.