More than 45 people were killed and about 70 injured in a blast at a building allegedly storing mining explosives in northeastern Myanmar on Sunday, the AP reported, citing rescue workers and local media reports.The blast occurred around noon in Kaungtup village in Namhakam township, about 3 km south of the Chinese border. The area is controlled by the Ta’ang National Liberation Army (TNLA), an ethnic armed group fighting Myanmar’s military-led government.The cause of the explosion was not immediately known. However, it was reported that explosives used for mining activities were stored in the building.A rescue worker involved in the operation told the AP that by Sunday evening, 46 bodies, including six children, had been recovered and taken for cremation.The rescuer, who spoke on condition of anonymity due to security concerns, said 74 injured people had been taken to the township hospital and rescue efforts were ongoing.Another rescue worker in Namkham, who requested anonymity, said about 40 people were killed in the blast and more than 100 houses were damaged near the site.