Eleven people died after the roof of a school gym collapsed in northeastern China, state media reported Monday.

The gym at the No. 34 Middle School in Qiqihar, Heilongjiang Province collapsed just before 3 pm (0700 GMT) on Sunday.

Nineteen people were at the gym when the accident took place, local newspaper Heilongjiang Daily said. Four escaped and four others survived after being pulled from the rubble.