PESHAWAR: Twenty-five people were killed and 50 others were wounded Friday when a suicide bomber blew himself up as people gathered to watch a volleyball game in northwest Pakistan, police said.

"The death toll has risen to 25 and more than 50 people are wounded," said Habibullah Khan, police chief in the area of Bannu district, where the blast occurred.

"There was a match between two village teams and a lot of people were watching it," he told AFP.