Originally posted by the Voice of America. Voice of America content is produced by the Voice of America, a United States federal government-sponsored entity, and is in the public domain. Bomb Attack Kills Four in Pakistan Tunnel VOA News January 28, 2011 Pakistani officials say at least four people have been killed and 19 wounded in northwest Pakistan when bombers attacked in a busy tunnel. The officials said a truck packed with explosives blasted Kohat tunnel Friday night. The tunnel connects the main northwestern city of Peshawar with the city of Kohat. Kohat is a dangerous area close to the Afghan border where Taliban militants are engaged in a campaign of violence against government officials and security forces in Pakistan. The tunnel has been a target for attacks in the past. .