At least four people were killed and 20 others injured when a bomb exploded in a public park in Pakistan's Lahore city on Sunday evening, the media reported.
Samaa News said the explosion happened inside the parking stand located near the main gate of Gulshan-e-Iqbal Park.
The media said the bomb might have been fixed on a motorbike parked in the stand.
Xinhua said the injured were shifted to Sheikh Zaid hospital where several of them were said to be in critical condition.