At least 2 persons died and 12 others are injured when a suspected terrorist had opened fire, on Westminister bridge, close to United Kingdom (UK) Parliament House. The culprit has been shot dead by the police. The Parliament was in session at the time of the opening of fire. According to Metropolitan Police, a vehicle veered off the road on Westminister Bridge, drove into the fence of UK Parliament building. Two persons were mowed down by the car. An armed man ran into the building and fired at a security personnel and was shot dead instantly .