Libyan Prime Minister Abdullah Al-Thinni will visit Egypt on Tuesday at the invitation of Egyptian President Abdel-Fattah El-Sisi, state news agency MENA reported.

Al-Thinni will be accompanied by a Libyan diplomatic delegation, in a visit that will reportedly concern the bilateral relationship between the two countries.

In August, Egypt announced it would sponsor an initiative to disarm Libya's renegade militias.

Libya has been sliding into chaos since long-time leader Muammar Gaddafi was toppled in a NATO-backed uprising three years ago, with interim authorities confronted by the powerful militias that fought to oust him.

Benghazi, the cradle of the uprising, is the regular scene not only of fighting but also the murder of members of the security forces, political activists and journalists.

A health ministry official said 79 people were killed in Benghazi in September. Human Rights Watch said more than 250 have lost their lives there and in Derna, another militia stronghold further east, since the beginning of the year.