Chinese police have apprehended a man on suspicion of causing blasts that killed six people on Wednesday.
The suspect, a 33-year-old man surnamed Wei, is a native of Liucheng county in China's Guangxi Zhuang Autonomous region, Xinhua news agency reported.
The blasts occurred at the seat of Liucheng county and the surrounding areas.
Five people died at the scene and one died in hospital. Dozens of injured people are in hospital.
Pictures online showed a building half-collapsed in Dapu township. Witnesses also saw vehicles damaged on the road.
The ministry of public security has sent criminal investigators to the scene.