Former Prime Minister Saad Hariri urged the residents of the northern port city of Tripoli on Sunday to end the fighting, accusing the General Security Department without naming it of becoming an “outlaw” in its arrest of Shadi al-Mawlawi for his alleged terror ties.

“I urge Tripoli residents to remain calm and not to be dragged behind provocation,” Hariri said on his twitter feed.

Four people, including a Lebanese soldier, were killed and at least 25 injured on Sunday in a gunfight between the residents of rival neighborhoods in the northern port city of Tripoli as the area witnessed intermittent clashes, the army and media reports said.

"The Tripoli clashes left at least four people dead and 25 wounded, most of them civilians," reported al-Manar television.

Two people sustained gunshot injuries on Saturday when unknown assailants opened fire at protesters in Abdel-Hamid Karami Square in Tripoli.

Prime Minister Najib Miqati warned against portraying the northern port city as being out of the state’s legitimacy.

The Lebanese army arrested on Friday a man wanted in connection with clashes that took place a day before between two rival neighborhoods in the northern port city of Tripoli.

Voice of Lebanon radio station (93.3) said an army unit seized Rami Issa after it came under intense fire in the area of al-Malouleh from Bab al-Tabbaneh gunmen, leaving one person injured.

President Michel Suleiman hailed on Saturday the interception of a ship suspected of delivering weapons to Syria as the Lebanese army issued a statement confirming the incident.

“The army intercepted on Friday Sierra Leone-flagged Lutfallah II ship suspected of carrying weapons and ammunition to Syria,” the statement said.

Lebanon’s public transportation sector held a nationwide strike on Thursday with some drivers blocking streets with burning tires in the northern province of Akkar.

The sector decided to hold the strike between 5:00 am and 12:00 pm after the government failed to place ceilings on the price of gasoline sold to drivers.

The Free Patriotic Movement on Monday said its activists were “intimidated” on Sunday in the northern city of Tripoli by “some fanatics,” accusing security forces of “dissociating themselves from protecting citizens.”

“The latest period has witnessed numerous intimidation and assault incidents against FPM activists in the North region in general and in Tripoli in particular, the latest of which was on Sunday during the annual breakfast organized by al-Mina committee for the activists and supporters of the FPM and their families,” the FPM’s media department said in a statement, noting that security forces were informed of the gathering.

Libyan authorities have obtained “semi-confirmed information” about the presence of Imam Moussa Sadr’s body in a recently discovered mass grave in the Libyan capital Tripoli, Mustafa Abdul Jalil, head of Libya’s ruling National Transitional Council, said on Friday.

“Imam Sadr’s case was not on the front burner during this period, but some reports have suggested that the imam’s body might be among the bodies buried in a mass grave during the liberation of Tripoli” from slain Libyan strongman Moammar Gadhafi’s forces, Abdul Jalil said in an interview on France 24 television.

The municipality of the northern city of Tripoli witnessed mass resignations in protest of the performance of its head, forcing Tripoli to join the municipal by-elections that will take place on May 6.

Al-Akhbar newspaper reported on Tuesday that 10 members of Tripoli’s municipal council submitted their resignations, and the number will likely reach 13.

Hundreds of residents of the Beddawi camp near the northern city of Tripoli blocked on Friday the international road in protest against what it called was the release of “enemy collaborators”, reported the National News Agency.

It said that the residents were protesting the release of “collaborators, while Islamist detainees were still kept in custody for over four years without trial.”