Lahore, Feb 17 (ANI): At least seven people died on Tuesday (February 17) in a large explosion and gunfire at a regional police headquarters in Pakistan's city of Lahore, police said. The explosion came from a car near the police building, said spokeswoman Nabeela Ghazanfar, adding it was unclear if the attack involved a suicide bomber. She said three people were dead but a police officer said at least seven had died, citing colleagues in the area. It was unclear how many of the dead were police. An unidentified policeman at the scene said it looked like a suicide attack. The blast was followed by rapid gunfire, witnesses said. Pakistan has suffered two major militant attacks in the past month.