The two rival Palestinian factions have failed to heal their political disputes since Hamas fighters expelled Fatah from Gaza in a short war in 2007
The blast caused a fire at the restaurant in Wuhu city in Anhui province, the report said, citing local authorities. It gave no other details.
In August, 160 people, including firefighters, were killed in two massive explosions at a chemical warehouse in the northwestern city of Tianjin.