(VOVworld) - Another explosion rocked south China's Guangxi Zhuang Autonomous Region early on Thursday, a day after a series of letter bombs exploded killing seven people and wounding 51 others.

The site of the blasts (Photo:Sina)

The blast took place in a house near the local highway administration office in Liucheng county in Liuzhou. Casualties are not yet known, but the explosion caused damage to a six-story building. Police have arrested a suspect in Wednesday’s serial letter bomb attacks.
A 33-year-old man surnamed Wei from Dapu township in Guangxi Zhuang Autonomous Region. According to the initial investigation, explosives were hidden in a number of packages. The blasts may have been triggered by several different devices.