Lahore (IP) - At least three people were killed and others 21 injured in a major blast at Lahore's Johar Town, officials said.

Iran PressAsia: The explosion took place in a residential area near Allah Hu boulevard, police said. Television footage showed visible damage to nearby houses whose walls had collapsed and window panes shattered.

A statement from Lahore police chief Ghulam Mehmood Dogar said that three people had been killed. It added that 13 injured were being treated at Jinnah Hospital while eight others had been discharged, the Pakistani newspaper Dawn reported. 

Punjab Inspector General of Police (IGP) Inam Ghani, who visited the area a couple of hours after the incident, told reporters that the explosion took place near the residence of proscribed Jamatud Dawa (JuD) chief Hafiz Saeed. He said police were guarding Saeed's house at the time of the attack, resulting in severe injuries to some officials.

A Dawn correspondent who was present at the scene after the blast said the windows and walls of Saeed's house had been damaged from the impact.

Ghani said officials were currently assessing the damage, adding that nothing could compensate for the lives lost. He assured citizens that the perpetrators would be held responsible.

"The Counter-Terrorism Department (CTD) has taken over [the investigation]. The CTD will determine whether it was a suicide blast or if a device was used," he said.

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