A powerful bomb exploded near security forces guarding a famous Sufi shrine in Lahore, Pakistan on May 8, killing at least four people and wounding several others, police said.

Lahore police chief Ghazanfar Ali said that police officers were the apparent target of the bombing outside the shrine which is known as Data Darbar. He said hundreds of pilgrims were inside and outside the shrine when the blast took place.

Television footage showed a badly damaged police vehicle that authorities said was the target.

(Developing story. To be updated)(With inputs from agencies)