The four are suspected of facilitating a suicide bombing that killed more than 30 people, Pakistan's interior minister said.

A local security official said the mosque was packed with people attending Friday prayer services. Zahir Hussain told CBS News he was parking to go into the mosque when the massive explosion threw him against his car door.

Mourners gathered Saturday under tight security at a Shiite mosque where a deadly suicide bombing occurred on Friday on the outskirts of Pakistan’s capital, Islamabad. An affiliate of the Islamic State group claimed responsibility overnight for

At least 31 people have been killed after a suicide bomber detonated a device at a Shia mosque, according to police.

Thousands gathered on Saturday for the funerals of victims of a suicide bombing at a Shiite mosque that killed 31 people and wounded 169 others in Pakistan's capital.

A suicide bomber killed dozens of people and injured more than 160 during Friday prayers at a Shiite Muslim mosque in Pakistan’s capital Islamabad, authorities said.

The cause of the explosion was not immediately clear, however reports have suggested it was carried out by a suicide bomber.

At least 31 people were killed and more than 150 injured when a suicide bomber attacked a Shiite mosque in Pakistan’s capital during Friday prayers, police said. The bomber, who approached the mosque