According to initial reports, the blast took place near gate no 1 of the mentioned park. At least 20 people have been reportedly injured in the incident.

Police and rescue personnel have reached the incident site and have cordoned off the area.

“At least 10 people have been killed in a blast outside Gulshan Iqbal Park,” Jam Sajjad Hussain, spokesperson for Recuse 112 told Reuters, adding that more than 30 people were injured and had been taken to various hospitals in the city.

Update - Pakistan police say at least 50 people have been killed & more than 100 people are injured after a suicide bomb exploded in #Lahore

— Sky News Newsdesk (@SkyNewsBreak) March 27, 2016