The Islamic State group (IS) has claimed responsibility for the bomb attack which targeted a police training centre in Libya on Thursday.
The bomb attack killed at least 47 people and injured more than 100 people in the truck bomb attack in the western city of Zliten, the deadliest since the 2011 fall of Muammar Gaddafi.
IS says it also carried out a separate attack on Thursday at the oil port of Ras Lanuf, which killed seven people.
Libya has descended into chaos since the overthrow of Gaddafi. Islamic State militants have been attacking Libya's key oil terminals in the area around Ras Lanuf for the past week. The group is present in several Libyan towns, including the eastern town of Sirte, Gaddafi's hometown.
Funerals for those killed in the attack have been held in Zliten, 60km (40 miles) west of Misrata. The country has been split into areas run by two governments - only one of which is recognised by the international community.
In December, rival politicians signed a UN-brokered deal to form a unity government, but that has not yet been implemented.