Nancy Pelosi's husband attacked with a hammer at the couple's San Francisco home

Paul Pelosi, the husband of House Speaker Nancy Pelosi, was attacked and severely beaten by an assailant with a hammer who broke into their San Francisco home early Friday, according to people familiar with the investigation.

Pelosi, 82, suffered blunt force injuries to his head and body, according to two people who spoke to The Associated Press on condition of anonymity to discuss the ongoing probe.

The assailant specifically targeted the home, the people said, though it was not immediately clear if the residence was targeted for a robbery or for other reasons.

Pelosi was being treated by doctors for bruising, severe swelling