Lahore (Staff Report): Pakistan Tehreek-e-Insaf (PTI) Chairman Imran Khan has expressed his condolence to the deceased of Lahore blast .

While talking to the media after visiting Lahore’s Mall Road on Tuesday, Khan said, "The war against terrorism can’t be won until the police force is strengthened and depoliticised." 

At least 13 people — among them two senior police officials — were killed when a suicide bomber detonated the explosives strapped to his body in the midst of a crowd of protesters outside the Punjab Assembly on Monday evening.