An explosion in a local government seat in Shandong province killed one person and injured six others on Monday, local authorities said.

The blast happened in the Tengjia township government compound in Rongcheng, Shandong province, at 8 am.

The bomber - Qu Huaqiang, a native of Tengjia - set off self-made explosives, the Rongcheng government was quoted by Xinhua News Agency as saying on Monday.