At least four people were injured in an explosion today in Lahore’s Johar Town area. Injured persons shifted to a local hospital. The nature of the blast is being ascertained. Rescue, police, and bomb disposal teams have reached the site of the incident. The sound of the blast was so loud that it was heard in faraway areas. However, the nature of the blast has not been ascertained yet. But An eyewitness told that an unidentified individual parked a motorcycle near the house which later exploded.