Leaders walk past flags of the member countries of the ASEAN summit in Hanoi, Vietnam. File/Reuters

Myanmar has been in turmoil since the military putsch that ousted Aung San Suu Kyi's government in February 2021, with the junta's bloody crackdown on dissent sparking social unrest and an economic disaster.

The Association of Southeast Asian Nations (ASEAN) -- long decried by critics as a toothless talking shop -- has been trying to kick-start a five-point plan agreed with Myanmar two years ago after mediation attempts to end violence failed.

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But its efforts have stalled as the junta ignores international criticism and refuses to engage with its opponents, which include ousted lawmakers, anti-coup "People's Defence Forces" and ethnic minority armed groups.

An air strike on a village in a rebel stronghold last month that reportedly killed dozens of people sparked global condemnation and worsened the junta's isolation.

Diplomats told AFP that the crisis would be a key issue during the May 9-11 summit on the Indonesian island of Flores.

The 10-member regional bloc will again "strongly condemn" the air strike and demand an immediate end to the violence in its end-of-summit statement to be issued by this year's chair Indonesia, according to a draft seen by AFP.

"This would be the only way to create a conducive environment for an inclusive national dialogue to find a sustainable peaceful solution in Myanmar," the draft statement said.

Myanmar remains an ASEAN member but has been barred from top-level summits over the junta's failure to implement the peace plan.

Agence France-Presse