Police rush to the scene of a suicide blast in the Pakistani city of Peshawar on Monday.<br/> <br />At least four people were killed in the attack on a judicial compound.<br/> <br />Officials said one bomber blew himself up outside the complex, causing the carnage.<br/> <br />The other entered the complex, attempting to release militants jailed inside, officials said.<br/> <br />He took hostages and but was shot dead by security forces.<br/> <br />There was no immediate claim of responsibility.<br/> <br />Taliban militants, who are close to al Qaeda, are fighting to topple Pakistan's U.S.-backed government.<br/> <br />They have targeted the military, security forces and civilians.
