BEIRUT, Lebanon - Ten illegal immigrants were arrested in southern Lebanon on Tuesday, a day after a roadside bomb targeted a UN patrol, Lebanese police said.

Eight Sudanese and two Iraqis were detained in a raid by the army's intelligence service on an apartment on the outskirts of the southern port city of Tyre.

According to a police source, the ten Arabs were being questioned by the army regarding their illegal presence in the area.

On Monday a roadside bomb hit a UN peacekeeping vehicle as it was driving on the Qassimiyeh bridge near Tyre, inflicting only material damage to the car.

The blast came less than a month after a car bomb killed three Spanish and three Colombian peacekeepers on June 24. The deadly bombing was linked to the ongoing fighting in northern Lebanon between the army and Islamist militants who belong to Fatah al-Islam.

Meanwhile troops Tuesday captured more positions inside the Palestinian refugee camp of Nahr al-Bared from the al-Qaeda-linked militants.

At least two soldiers were killed and 14 wounded as troops seized a strategic hill inside the camp, putting more pressure on the gunmen to surrender, a Lebanese security source said.

The fighting broke out on May 20. The death toll from the worst violence since Lebanon's 1975-1990 civil war includes 106 troops, 77 militants and 44 civilians. -DPA