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Three people were killed and four others injured after a gas explosion in a residential building in Dandong City, northeast China's Liaoning Province early Friday.
The blast happened at around 5 a.m. in Zhenxing District, and all the injured were sent to the hospital, local authorities said.
Initial investigation showed that the gas explosion was caused by a family dispute. All the residents in the building were evacuated and further investigation is underway.
