Caretaker Prime Minister Najib Miqati on Friday called for an end to the “incitement” campaigns, warning that Lebanon is facing “very grave threats” that require an “extraordinary posture.”

“We must put an end to the campaigns of political and sectarian incitement, because we are facing very grave threats, and regret will not be useful if we provide an incubator for these threats,” Miqati said in a speech at a school ceremony in Tripoli.

Speaker Nabih Berri considered on Tuesday that politicians can't act “rationally” and “realistically,” expressing concern over the security situation in the country.

“The Lebanese mentality hasn't changed a bit... The stances adopted by politicians will never change,” Berri said in comments published in local newspaper.

Arab Democratic Party media officer Abdul Latif Saleh announced on Sunday that the party is fully cooperating with the army and will felicitate its deployment in the northern city of Tripoli.

According to the state-run National News Agency, the army will intensify its presence in Syria street, which separates the Tripoli districts of Jabal Mohsen and Bab al-Tabbaneh, and will set up new checkpoints.

Clashes renewed on Saturday evening in the old souks in central Tripoli between rival armed groups despite a heavy deployment by the army and security forces in the city, state-run National News Agency said.

“Heavy gunfire was being heard in Khan al-Saboun, the gold market, Bab al-Hadid, al-Diftar Square and Souk al-Nahhasin,” NNA said.

Progressive Socialist Party leader Walid Jumblat called on political parties in Tripoli to back the Lebanese Army's security plan, stressing that inflaming the northern city will not weaken the Syrian regime but will only “exhaust the army and allow direct Syrian army intervention in Lebanon's territory.”

“It is useless to inflame the front in Tripoli, as it will not affect the course of events in Syria,” pointed Jumblat in an interview to As Safir daily.

One person was killed and five other people were wounded on Friday afternoon as clashes renewed in central Tripoli between armed Salafists and gunmen loyal to Damascus and Hizbullah.

A security source told Agence France Presse that one person was killed and five others wounded in the old souks area as a house went up in flames after being hit by a shell.

The Army Command pointed on Friday to a series of strict security measures carried out in all Lebanese regions, and urged the Lebanese to be vigilant against any schemes that aim to drag the country into another civil war, or embroil it in the Syria conflict.

The army's leadership said in a communique that it strongly sought in the last past months to deter the transformation of Lebanon into an arena for regional conflicts and prevent the spillover of the Syrian crisis to its territories,”

One person was killed and seven others were hurt as fierce clashes spread to the heart of the northern city of Tripoli on Thursday, after a security plan by the Lebanese army managed to relatively contain the violence in the flashpoint districts of Bab al-Tabbaneh and Jabal Mohsen.

The army deployed in the souk area, restoring a tense calm four hours after the clash broke out between Salafists who support the revolt in Syria and pro-Damascus fighters, a security official told Agence France Presse.

Caretaker Defense Minister Fayez Ghosn on Thursday stressed that the army is not applying political calculations in dealing with the tense security situation in Tripoli, warning that the entire country is in danger.

“The situation in the North has reached a dangerous level after security turned into a hostage in the hands of those who are tampering with people's security and lives and daring to attack the Lebanese army in a direct manner,” Ghosn said.

Saudi Arabia on Thursday urged Lebanon's people to act "wisely" and end their fighting in the city of Tripoli, wracked by a wave of bloody violence linked to the conflict in neighboring Syria.

Riyadh was following "with deep concern the bloody events taking place in Tripoli... that benefit nobody but those who do not mean well for Lebanon and its people," said Foreign Minister Prince Saud al-Faisal.