A suicide bomber explodes inside a mosque in Pakistan, killing and injuring dozens of people

ISLAMABAD and LONDON — A suicide bomber detonated explosives inside a mosque in northwest Pakistan on Monday, killing and injuring dozens of worshippers, officials said.

The blast occurred at a mosque near police offices in Peshawar, the capital of Pakistan’s Khyber Pakhtunkhwa province, not far from the country’s border with Afghanistan. More than 150 people were said to be praying when the suicide bomber struck. An eyewitness told ABC News the roof collapsed from the impact.

Security and government officials confirmed the blast was from a suicide bomber, although no one immediately claimed responsibility for the attack.

At least 17 people were killed and more than 60 others were injured, a local hospital spokesperson told ABC News. These numbers were to increase.

This is a developing story. Please check for updates.