Local villagers injured during recent protests at the Latpadaung copper mine were interviewed by an official investigation team in Salingyi Township.
Salingyi police have refused to accept a report filed by the younger sister of Khin Win that calls for an investigation into her alleged murder.
Around 100 local villagers have torn down a fence erected by the Myanmar Wanbao copper mining company around a disputed patch of land near Latpadaung mine.
The story behind the Latpadaung copper mining project, which culminated in the death of villager Khin Win after police opened fire on a protest on 22 December 2014.
More than 500 protestors, led by Buddhist monks, marched through central Mandalay to the Chinese consulate, denouncing the killing of Khin Win.
International watchdogs and Burmese activists have voiced distress and disdain over the Burmese police handling of protestors at Latpadaung copper mine, where one woman was shot dead.