Police in Pakistan say suicide bombers have killed at least 35 people at a shrine in the city of Lahore. More than 170 others are thought to have been wounded. It’s not clear who carried out the attack. Aleem Maqbool reports.

Data Darbar, the shrine of a Sufi saint, is one of Lahore's most famous landmarks. On Thursday night, it's always packed with devotees. It was when, according to police, three suicide bombers blew themselves up, one at the shrine’s entrance, another within the compound, and the third in the basement of the building. Police say the explosive belts have been filled with ball-bearings to cause a maximumnumber of casualties.