Forty people were arrested and 500 people rescued after a swoop on human trafficking across West Africa, Interpol said.
Benghazi's commercial port officially reopened on Sunday after a three-year closure due to fighting between rival factions in the east Libyan city.
Benghazi's international airport officially reopened for commercial flights amid a heavy security presence after a three-year closure due to fighting in the city.
Libya's eastern commander Khalifa Haftar said his forces had taken full control of Libya's second city Benghazi from rival armed groups after a three-year campaign.
A car bomb has killed at least three people outside a hospital in the Libyan city of Benghazi, doctors say, in a further sign of the growing disorder that threatens to unhinge an already creaking transition to lawful, democratic rule.
Bombs exploded outside two police stations in Libya's eastern city of Benghazi and Britain temporarily cut staff at its embassy in Tripoli because of security fears.
The head of Libya's parliament has survived an assassination attempt unharmed at his home in the remote desert interior of the country, his spokesman says.
Four policemen in the eastern Libyan city of Benghazi were killed when a police compound was attacked, a security official said, in the latest violence to plague the cradle of Libya's uprising.
Rival Libyan militias have fired guns and rocket-propelled grenades at each other in Tripoli and set fire to a former intelligence building in one of the worst breakdowns in security in the capital since Muammar Gaddafi's fall.
Libya's General National Congress has approved new Prime Minister Ali Zeidan's proposed government line-up but it cut its session short as security forces fended off protesters outside.
Libyan militiamen aligned to the Defence Ministry have shelled the former Gaddafi stronghold of Bani Walid, extending a feud between two towns that demonstrates the country's deep divisions a year after the veteran leader was killed.
Libya's national congress has dismissed the newly elected prime minister in a vote of no confidence which underscored the difficulties of forming a government which can unite the country's different factions and regions.
Libya's newly appointed leader has apologised at the United Nations for the crimes of ousted dictator Muammar Gaddafi and told critics that supporting the Arab Spring was worth it.
A day after their once feared Islamist militia decided to disband, a dozen die-hard fighters of the Abu Slim Brigade screamed towards us in their cars and piled out, red-faced with fury at the "infidels" come to witness their retreat.
Libyan leader Mohammed Magarief says about 50 people have been arrested in connection with the deadly attack on the US consulate in Benghazi last week, which he said was planned by foreigners linked to al Qaeda.
Muammar Gaddafi's former spy chief Abdullah al-Senussi has been taken into Libyan government custody after being extradited by Mauritania to face charges of crimes against humanity, officials said.
Unknown assailants have attacked a compound of the International Committee of the Red Cross in the Libyan port of Misrata with grenades and rockets, forcing it to suspend its work there and in the eastern city of Benghazi, the agency said.
Nine months after Muammar Gaddafi's death at the hands of rebels, Libya has defied fears it would descend into violence by pulling off a largely peaceful election, its first national and free vote in 60 years.
Libya holds its first free national election in 60 years today in a vote designed to shake off the legacy of Muammar Gaddafi but which risks being hijacked by autonomy demands in the east and unrest in the desert south.
Clashes broke out between rival Libyan militias at Tripoli's international airport on Monday after gunmen drove armed pickup trucks on to the tarmac and surrounded planes, forcing the airport to cancel flights.