African Union leaders on Monday vowed to push peace efforts in Libya, a sign of the bloc's desire to play a bigger role in resolving the continent's conflicts.The AU leadership has complained about being overlooked in Libya-related peacemaking efforts, which have been led primarily by the UN and heavily involved European nations.As the 55-member group wrapped up a summit, Smail Chergui, the AU's Peace and Security Council chief, offered assistance to revive Libya's faltering peace process."It's (the) UN itself which needs us now," Chergui said. "It's time to bring this situation to an end... the two organisations should work hand-in-hand for that goal," he added.READ | Libya rivals agree to turn truce into lasting ceasefire: UNLibya has been torn by fighting between rival factions since a 2011 NATO-backed uprising killed dictator Moamer Kadhafi. South African President Cyril Ramaphosa, who took over as AU chair on Sunday, has said Libya is one of two conflicts he wants to focus on during his tenure.The other is South Sudan, where a civil war that began in 2013 has left hundreds of thousands dead - but talks on the sidelines of the AU summit ended in deadlock.Ramaphosa says they will make a contribution to promote peace in their efforts to silence the gun #AUSummit2020 @TeamNews24— Tolokazi (@lizTandwa) February 9, 2020 Ramaphosa says they will work to convene an intra-Libyan process to resolve the conflicts #AUSummit2020 @TeamNews24— Tolokazi (@lizTandwa) February 9, 2020The two-day summit ended in the early hours of Tuesday morning, with the traditional closing session and press conference cancelled. The decisions adopted were expected to be announced later on Tuesday.Divisions and disagreementsUN Secretary General Antonio Guterres on Saturday said he understood the AU's "frustration" at having "been put aside" when it comes to Libya.ALSO READ | UN warns world may pay 'terrible price' if it fails SudanThe North African state remains in chaos, mostly split between strongman Khalifa Haftar, who controls eastern Libya, and the UN-recognised government in Tripoli.Talks between Libya's warring factions ended on Saturday with no deal on a ceasefire. The UN has proposed a second round of negotiations for February 18.On the sidelines of the #AUSummit: HE President @CyrilRamaphosa in his capacity as Chair of the @_AfricanUnion High-Level Ad-hoc committee of Heads of State on South Sudan ????(C5) meets with President HE Salva Kiir Myardit on the peace & security situation in South Sudan. pic.twitter.com/g2KVV9TyuD— PresidencyZA (@PresidencyZA) February 10, 2020Tough line on South SudanMeanwhile, on South Sudan, leaders tried to bring longtime rivals together to reach a deal.President Salva Kiir and rebel leader Riek Machar face a deadline of February 22 to form a unity government - a milestone that was delayed twice last year.AU baptism of fire: Frustrated Ramaphosa threatens to leave session early | @lizTandwa https://t.co/LcWdgsOhvl pic.twitter.com/293qtfsSnT— News24 (@News24) February 11, 2020Ramaphosa met separately with Kiir and Machar on Saturday, and the rivals sat down in the same room Sunday alongside Ugandan President Yoweri Museveni and Sudanese Prime Minister Abdallah Hamdok.Hamdok is the current chair of the eight-member East African bloc IGAD, which has taken the lead in South Sudan peace negotiations.