Security personnel of a mining company opened fire on a crowd of prospectors who gathered seeking early entry to a mine site in search of jade residue.
Authorities said four survivors of Thursday's explosion in Magwe Region have likely died from a lack of oxygen.
The government has given one of the largest gold mine operators in Mandalay a final warning to hand in its license for not making its payments or be blacklisted and prosecuted.
Dozens injured, several people missing after heavy rain topples jade mine waste pile.
Government urged to impose strict controls on jade mine operators in Kachin State after recent muddy inundations
Caterpillar, Komatsu, Volvo fail to ensure machinery used responsibly in sector notorious for land grabbing, environmental problems, Swedish report claims.
Two officers have been transferred to the military's auxiliary force for taking bribes from jade mines operating without a license, another for killings in Rakhine State.
A police officer said 50 miners were detained after mining equipment was damaged and a building was torched on Monday night. He said reports of a death were under investigation.
Scores of informal jade mine workers missing as slag heap gives way