Ex-general Khalifa Haftar's forces launched fresh air raids on Islamists in the eastern Libyan city of Benghazi on Sunday, just hours after al-Qaida urged Libyans to fight the rogue general.

Last month, the general unleashed forces from his so-called National Army on Islamist militias in Benghazi in a campaign dubbed "Operation Dignity."

A gang of arms traffickers killed six Egyptian border guards on Sunday after they crossed into the country from Libya, the military said.

"The army deplores the killing of an officer and five soldiers from the army's border protection corps attacked by arms traffickers while patrolling a mountainous area," it said in a statement.

Tunisia said Saturday it has postponed an emergency meeting with its North African neighbors to discuss the chaotic situation in Libya, citing a lack of "foresight".

With lawlessness in Libya rising, Tunisia had been due to hold a session on Sunday with other member states of the Arab Maghreb Union (AMU) to find a political solution to the unrest in the mostly desert nation.

Rival interim governments are disputing power in Tripoli less than four weeks before a general election, claiming control of Libya's huge currency reserves from oil and gas.

The power struggle is creating a quandary for foreign diplomats as the competing claimants trumpet their meetings as a vindication of their legitimacy.

Thousands rallied Friday in Libya's two main cities to a rogue general who has been pressing an offensive against jihadist militias in the east of the country for two weeks.

The crowds chanted slogans criticizing new Prime Minister Ahmed Miitig, whose cabinet is already mired in a political standoff with its predecessor.

Residents of the Libyan capital complain the armed groups they hailed as liberators for toppling Moammar Gadhafi have become their oppressors as opposing alliances back rival governments in their struggle for power.

A city that was ultra-safe during Gadhafi's four-decade dictatorship has become a place of fear, constantly on tenterhooks for a new eruption of fighting between the competing former rebel militias, many of them from outside Tripoli.

Ten Chadian nationals have been gunned down in southern Libya by attackers in military uniform, the Chadian foreign ministry said Thursday.

"Ten Chadian nationals were shot dead in cold blood in Sbeha by a group of armed men, all of them wearing military uniforms," the ministry said in a statement.

Libya's contested new cabinet convened for the first time Thursday, defying the outgoing administration, which refuses to hand over power and held its own session.

Amid the political chaos in the largely lawless North African state, the High National Elections Commission (HNEC) announced that Libya is go to the polls on June 25 as planned.

Libya is to go to the polls on June 25 as planned, despite a political crisis with rival governments contesting power, the country's High National Elections Commission announced Thursday.

Imad al-Sayeh, the panel's president, urged Libyans to register on electoral lists by a midnight deadline.

A rogue Libyan ex-general resumed air strikes on jihadists in the city of Benghazi Wednesday, while gunmen attacked an interior ministry team in Tripoli tasked with protecting the outgoing government.

Amid the ever-worsening insecurity in the North African country, Washington urged U.S. citizens there to leave "immediately" and was even readying a possible evacuation of its embassy.