A security document is making the rounds that a Syrian suicide bomber driving an explosives-laden Kia is plotting to target a high-ranking personality in the northern city of Tripoli or in the capital Beirut.

The document claims that the bomber identified as Abou al-Adnan is a member of the Khaled Ibn al-Walid al-Jabha al-Islamiya Brigades.

Two men were attacked on Tuesday after their car entered the Tripoli neighborhood of Jabal Mohsen, state-run National News Agency reported, a day after a Jabal Mohsen resident was stabbed and beaten up in al-Qobbeh.

“Gunmen assaulted the two citizens Mohammed Fatfat and Shadi al-Jaam as their car was passing through Jabal Mohsen,” NNA said.

Unknown assailants on Monday assaulted a Syrian man who is a resident of the Tripoli neighborhood of Jabal Mohsen.

“Syrian national Ahmed Ibrahim Ali was assaulted in the al-Qobbeh neighborhood” in Tripoli, state-run National News Agency reported, noting that the man was born in 1989 in the northern city.

A video showing a young Lebanese man saying goodbye to his family and beloved ones before heading to Syria's Homs to carry out a suicide attack has gone viral online.

25-year-old Ahmed Diab, who is nicknamed as Abu Bakir al-Riyadi, carried out the suicide attack on Saturday.

Abu Sayyaf al-Ansari on Saturday pledged from the northern city of Tripoli allegiance to the al-Qaida-linked Islamic State of Iraq and the Levant, calling on Sunnis enlisted in the army to defect and “repent.”

“After the expansion of the Islamic mission from Iraq to the Levant, and its adoption of a correct path that could not be weakened or misrepresented by the decedents of Al Saloul, who are supported by the United States and by the crusaders, we decided from Tripoli to pledge allegiance to ISIL and to ally with it,” al-Ansari said in a video recording.

The Traders Association of Northern Lebanon and civil society groups have called for a strike on Friday to denounce the deadly gunbattles that have rocked the northern city of Tripoli.

The association, public and private schools and civil society groups said Friday's strike will begin in the morning and end by noon prayers.

Gunbattles rocked the northern city of Tripoli on Wednesday, leaving one soldier dead and eight others wounded.

The clashes, which also injured four civilians, resumed in the morning after a relatively calm night as the Lebanese army came under heavy gunfire.

At least five people were killed and around 20 wounded as armed groups clashed in a western suburb of the Libyan capital on Tuesday, a medical source said.

A security source said the violence broke out during an operation against "armed gangs" including backers of Moammar Gadhafi's regime, ousted in a 2011 revolt.

One person was killed and several others were injured in clashes between the rival Tripoli neighborhoods of Bab al-Tabbaneh and Jabal Mohsen on Tuesday, raising the death toll to seven after five days of clashes.

The fighting renewed in the evening, with al-Jadeed TV reporting that "RPG explosions and machinegun fire are being heard in Tripoli."

Salafist cleric Sheikh Salem al-Rafehi accused on Monday the Arab Democratic Party of being behind the latest round of clashes in the northern city of Tripoli.

He added after a meeting of Muslim scholars in light of the new round of unrest: “The state is protecting Ali and Rifaat Eid and allowing them to launch attacks in the city.”