BANGKOK — Airstrikes by Myanmar’s military killed as many as 80 people, including singers and musicians, attending an anniversary celebration of the Kachin ethnic minority’s main political organization, members of the group and a rescue worker said Monday. He said he first heard there had been 60 deaths, but was later told by sources close to Kachin Independence Army officials that about 80 people had died. He said military aircraft dropped four bombs on the celebration at about 8 p.m., according to members of his group who were there. They also included at least 10 Kachin military and business VIPs sitting in front of the stage, and cooks working backstage, he added. He said the deaths were a loss for all Kachin people, and its group would fly the Kachin flag at half-staff.

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