Two teenage thugs have been locked up for robbing a terrified man at knifepoint on the back of stolen motorbikes.The boys, aged 15 and 16, cornered the lone man late at night and forced him to hand over his mobile phone.They then chased down their victim as he tried to run away and grabbed his jacket and coat, Plymouth Crown Court heard.The pair had earlier stolen the motorcycles amid of spree of offences around the city.Sending the duo to custody for 28 months, Judge Ian Lawrie told them:...
