15-year-old held over Mike Samwell car theft killing

A 15-year-old boy has been arrested on suspicion of murder after a former Royal Navy officer was run over by his own car.The boy, who is also held on suspicion of burglary, is the fourth person to be arrested over the death of Mike Samwell in Chorlton, Manchester, in the early hours of 23 April.A 29-year-old from south Manchester arrested on Wednesday remains in custody.