Guterres denounced the "horrendous" attack and demanded "an independent investigation", his spokesman said
Qaddafi's son hasn't announced his intentions whether to stand for president but last month he sent an envoy to Russia, which has become a key power broker in Libya, to ask for political support
Bodies of 36 men were found on October 26, near the town of al-Abyar
The attack was controlled by Libyan military strongman Khalifa Hatar south of Tripoli
The Abu Bakr al-Sadiq Brigade said Seif al-Islam was freed under an amnesty law
According to survivors, those missing include 15 women and five children
Western missions had closed after a coalition of militias seized the country's capital- Tripoli
Officials say, it took three hours to retrieve 11 bodies because of petrol and water mixture
A full-to-capacity rescue ship was forced to sail away from desperate migrants trying to swim towards the rescuers
One of the most powerful military figures in Libya, Haftar is allied with a rival authority to the GNA based in the east
Some of the migrants jumped off the vessel in life jackets and swam towards their rescuers
More than 3,000 migrants have died at sea while trying to reach either Greece or Italy since the start of this year
Quorum was formed for a voting session for the first time since January in the eastern Tobruk-based parliament
Libya descended into chaos following the 2011 ouster and killing of dictator Muammar Gadhafi
Indian men hailing from Punjab are in a place which is 899 kms from capital Tripoli
Since 2014, the country has been divided between two governments and parliaments, and a loose set of militias and tribes
He added that the operation would be of limited duration and no US ground forces would be deployed
Illegal migration from Libya booms in the summer months when the Mediterranean is generally calm and traffickers pack unsafe boats with migrants desperate to start a new life in Europe
UN envoy to Libya, Martin Kobler expressed his shock and dismay made by the killings, calling them a war crime in a Twitter post
Says, any assistance given should be based on a request'or in coordination'