Deadly explosion rips through plant

Clockwise from top left: The door of the police office at the factory of Keeper Chemical in Zhaoxian, Hebei province, is blown off in a powerful blast on Tuesday morning. A worker who was injured in the blast lies in bed at a local hospital. Family members and relatives of the workers wait anxiously outside the chemical plant after the blast. The explosion killed at least 13 people and injured 43. Provided to China Daily / Chen Jianyu for China Daily