Killer cyclist ‘screamed at dying mother’

A cyclist accused of killing a pedestrian while illegally riding an track bike sprang to his feet after the crash and shouted at the mother-of-two as she lay fatally injured in the road, a court heard. Charlie Alliston, 20, flew through the air after colliding with Kim Briggs, 44, at nearly 20mph as she tried to cross the road on her lunch break in busy Old Street in central London. Ms Briggs, who had recently started work as head of…