‘Teenager tried to murder rival on train’

Terrified train passengers were trapped in a carriage with a sword wielding teenager as he attempted to murder a rival, a court heard. Victim Kyran O’Shea-Deriggs, in his 20s, lost four and a half pints of blood after the horrific attack between Shortlands and Beckenham Junction in south London on March 27. Rakeem Thomas, 19, allegedly fled the scene on foot before jumping into an Uber and phoning an associate to say: ‘I disarmed him, he’s done, he’s finished.’ Thomas…