Three people were killed and another four injured in a chemical plant fire in northwest China's Gansu Province on Sunday morning, Xinhua reported.
A facility leaked and caught fire at the Qingyang Petrochemical Company owned by PetroChina at around 7 a.m. on Sunday, said the government of Qingyang City.
One person was killed at the scene, with four injured and another two missing in the morning.
The fire was extinguished around noon, and the two missing people were found dead in the afternoon, according to local authorities.
The cause of the accident is under further investigation.