At least 10 Myanmar police died after the alliance consisted of three ethnic armed groups attacking a police station in Shan state today.
The Alliance includes Arakan Army, the National Liberation Military Ta'ang and Myanmar National Democratic Union army this morning attacked the police station in Naungmon.
Myanmar's army declined to comment on the above information.
Myanmar security forces on Yangon Street on 3/4.
Myanmar fell into chaos after the coup troops, arresting the State Advisor Aung San Suu Kyi and many military government officials.
The United Nations of Myanmar security forces used heavy weapons, including grenade launchers, pieces, machine guns and sniper guns to deal with protesters.
When violence escalated, about 10 ethnic armed groups condemned military authorities and committed to the side of the protesters.
Observations warns if the situation is not controlled, Myanmar is likely to occur wide civil war.