Explosion thundered in central China

The blast occurred on Friday in the central city of Chongqing in central China, with no casualties reported yet, according to China Central Television.
According to available information, an explosion occurred in the Wulong area, as a result of which people were under the rubble, their number is still unknown.
Emergency services are already working at the scene.
More than 32 million people live in Chongqing, according to the 2020 National Census.