Myanmar security forces fired rifle grenades at protesters in a town near Yangon on Friday, killing more than 80 people, the Assistance Association for Political Prisoners (AAPP) monitoring group and a domestic news outlet said.

Details of the death toll in the town of Bago, 90km northeast of Yangon, were not initially available because security forces piled up bodies in the Zeyar Muni pagoda compound and cordoned off the area, according to witnesses and domestic media outlets...