Photo taken on March 25, 2017 shows the scene at the accident site in Tumd Right Banner of Baotou city, North China's Inner mongolia autonomous region. A total of 83 homes were damaged in a powerful explosion that ripped through an apartment building in north China, killing three and injuring another 25, local government said. The government said the cause is still being investigated. Earlier reports indicated that it might have been caused by a natural gas leak. [Photo/Xinhua]