LAHORE, Pakistan, Rabi'II 28, 1436, Feb 17, 2015, SPA -- At least three people were killed on Tuesday following a large explosion and gunfire at regional police headquarters in Pakistan's eastern city of Lahore, Reuters cited a witness as saying. The blast was followed by rapid gunfire, said eyewitness Ashraf Ali, who works at the press club nearby. The attack was still in progress and at least three bodies were lying in the street, he said. --SPA 12:20 LOCAL TIME 09:20 GMT www.spa.gov.sa/w