Another youth arrested over Newcastle screwdriver stabbing

Peter Duncan, 52, from Newcastle, who was fatally stabbed at a shopping centre in Newcastle. Photograph: Northumbria police/PADetectives investigating the murder of a lawyer who was stabbed with a screwdriver have made a further arrest.Peter Duncan, 52, sustained a fatal chest wound after becoming involved in what police described as a chance encounter.Northumbria police arrested seven boys aged 14 to 17 on suspicion of murder. Four of them, two aged 15 and two aged 17, have been released with n