Four people have been arrested on suspicion of facilitating a suicide bombing that killed more than 30 people on Friday, Pakistan's interior minister has said.

At least 31 people were killed and 169 were injured after an explosion ripped through a mosque during Friday prayers in Islamabad, Pakistan, said a district administration spokesperson.

At least 15 people were killed and over 80 others were injured after a blast hit a mosque in Islamabad, the capital city of Pakistan, on Friday afternoon

An explosion inside a mosque in the central Syrian city of Homs killed at least three people and wounded five others during Friday prayers.