The latest fighting pits the government of national accord (GNA) in Tripoli against the self-styled Libyan National Army (LNA), under Khalifa Haftar, which rules by fear in the east and south.
A health ministry spokesman said a warplane belonging to the self-styled Libyan National Army carried out the attack on Saturday. He said seven people were also wounded. The LNA led by Khalifa Haftar has made no comment.