Firecracker thrown into manhole explodes in China's Sichuan province, injuring one boy = Chinese report

A boy was injured in an explosion when he threw a firecracker into a manhole in China's Sichuan province, the local management committee said.
According to the committee, at around 11:20 a.m. (local time) on the 8th, the
Three boys were setting off firecrackers in the prefecture. One of them throws a firecracker into a manhole, causing a huge explosion. The boy was injured and taken to the hospital.
Footage of the accident scene posted online shows several manhole covers being blown off by the force of the explosion, and pieces of concrete scattered around.
Disturbing. Fortunately, the boy was taken to the hospital with only minor injuries.