Pakistan says mosque bomber may have had 'internal assistance'

People and rescue workers gather to look for survivors under a collapsed roof, after a suicide blast in a mosque in Peshawar, Pakistan January 30, 2023. REUTERS/Fayaz Aziz

PESHAWAR, Pakistan (Reuters) - Pakistani police investigating how a suicide bomber reached a mosque inside a highly fortified compound and killed over 100 people said on Wednesday the attacker may have had "internal assistance", and that several suspects had been arrested.

Monday's bombing was the deadliest in a decade to hit Peshawar, a restive northwestern city prone to Islamist militant violence near the Afghan border.