SHIJIAZHUANG, July 5 (Xinhua) -- Four people were killed by a blast at a farmer's house in north China's Hebei Province Sunday, local authorities said Monday.
Likely caused by the illegal production of explosives, the blast occurred at 3 p.m. in Jindian Township, Neiqiu County, according to a statement from the county publicity department.
The blast killed three instantly. One died in hospital on Monday.
Police are still investigating.