Tamerlan Tsarnaev lies on the ground after a gunfight ended between police and suspects from the Boston Marathon bombings, in the US city of Watertown, Massachusetts on April 19, 2013. A Boston Marathon bombings’ suspect, Tamerlan Tsarnaev has died in hospital after sustaining critical injuries in a car-chase and shootout with police, as authorities engage in a manhunt for a second suspect. Boston...