An attacker blew himself up Friday in a mosque at a pro-Taliban seminary in northwestern Pakistan. No group immediately claimed responsibility for the blast.

At least five people, including a prominent religious scholar, were killed and 20 injured in a suspected suicide attack during Friday prayers at a religious seminary in northwestern Pakistan, police said.

A suicide bomber killed six worshippers during Friday prayers at an Islamic seminary in northwestern Pakistan known as a historic training ground for the Afghan Taliban, police and a government spokesman said.