A fresh explosion rocked a southern Chinese town Thursday, one day after 17 parcel bombs killed at least seven and wounded scores in the same district, state media reported, according to AFP.

The latest blast occurred in the early morning in a residential building in Liucheng, a rural county of the Guangxi region, the official Xinhua news agency reported. The six-storey building, near a local highway administrative bureau in Liucheng, the county seat, caused "some damage" according to local media reports, and Xinhua reported "bricks scattered around" the explosion site.

There were no injuries immediately reported, according to China National Radio's blog site CRI.