"I said, I don't want to see any trouble here and can't leave if police don't leave," she said. "I begged them not to shoot the children."
Tawng and one of the policemen then touched their foreheads to the ground, according to Reuters.
At least two protesters were killed by gunshots to the head and three others were injured in the town on Monday, witnesses said.
A police officer pays respects to Myanmar nun Sister Ann Rose Nu Tawng. Reuters
Tawng had also come between protesters and police lines late last month, pleading for peace, local media reported.
Over 60 people have been killed and more than 1,800 detained in the crackdown on protests against the Feb. 1 coup, an advocacy group has said.