Myanmar's military must restore democracy and stop committing violence against citizens, Indonesian president Joko Widodo said after crisis talks with coup leader Min Aung Hlaing and Southeast Asian leaders.
"The first requested commitment is for the Myanmar military to stop the use of violence and that all parties there at the same time must refrain so that tensions will be reduced," Mr Widodo said after a meeting of the Association of Southeast Asian Nations (ASEAN) in Jakarta.
"The violence must be stopped and democracy, stability and peace in Myanmar must be restored."
Mass protests by an angry population in Myanmar have been met by a brutal crackdown that has left blood on the streets.
An estimated 250,000 people have been displaced, according to a UN envoy, with Myanmar's democratically elected top leaders in hiding or under house arrest.
Min Aung Hlaing joined Mr Widodo and the Sultan of Brunei, the current chair of ASEAN, as well as leaders and foreign ministers from most of the 10-country group, which also includes Singapore, Malaysia, Cambodia, Thailand, Vietnam, the Philippines and Laos.
Dozens gathered outside the ASEAN headquarters, which was ringed by heavy security, calling for democracy to be restored.
The meeting is closed to media.
The general's involvement has angered activists, human rights groups and a shadow government of ousted Myanmar politicians, which was not invited to the talks.
"Meetings that contribute to a solution to the deepening crisis in Myanmar are welcome," the latter said in a statement.
"(But) meetings that exclude the people of Myanmar but include murderer-in-chief Min Aung Hlaing... are unlikely to be helpful."
Politicians called on the junta to "stop murdering civilians", release more than 3,000 political prisoners and return power to the country's democratically elected government.
"The crisis initiated by a murderous and unrepentant Myanmar military has engulfed the country, and will cause severe aftershocks - humanitarian and more - for the entire region," rights group Amnesty International said ahead of the meeting.
"The Indonesian authorities are duty-bound to investigate Senior General Min Aung Hlaing and other Myanmar military officials who may join his delegation to Jakarta," it added.
There have also been calls for the regional bloc to expel Myanmar.
But ASEAN generally takes a hands-off approach to members' internal affairs.
Few analysts expect major breakthroughs from the meeting, saying instead it is a chance to bring Myanmar's military to the bargaining table and pave the way for a possible resolution.
United Nations special envoy for Myanmar, Christine Schraner Burgener, is expected on the sidelines of the summit.
