Thrown from a roof, stoned to death and crucified: While the world reacts with horror to terror in Europe, new ISIS executions show the medieval brutality jihadists would bring to the West

Islamic State have released images of their fighters carrying out a series of horrific executions. They show men being hurled from a roof for being gay (left), a woman accused of adultery being stoned to death (bottom right) and two alleged 'bandits' who were tied to crosses before being mercilessly shot (top right)