Myanmar's protests against the military coup showed no sign of letting up.

On Wednesday, security forces fired rubber bullets, stun grenades and tear gas to break them up, and local media reported several people were hurt.

Later, there were reports of live ammunition fired and at least 18 people were killed.

It comes a day after the Association of Southeast Asian Nations urged restraint, but they failed to unite behind a call for the military to release ousted government leader Aung San Suu Kyi and restore democracy.

Meanwhile, inside the country, a prominent activist called for sanctions on businesses linked to the military across the nation.

On Wednesday, nine people were hurt and at least two people were killed when police fired rubber bullets in the second largest city, Mandalay.

That's according to the Myanmar now news agency in Yangon.

Hundreds of people were detained, including several protest leaders and activists said, as well as local media reports of shooting and deaths in the central towns of Michigan, and maguey Media also reported five people were wounded in the town of manure the military has justified the coup, saying it's complaints of voter fraud in the November 8 elections were ignored.

Nearly 1300 people have been detained, according to activists, including six journalists in Yangon.