Knife teen ‘shot by man he tried to stab’ on Tube

A knife-wielding teenager was left for dead after he was shot by the man he tried to stab on a busy Tube carriage, a court heard. Bienvenu Vangu, 25, argued with the 17-year-old on the Hammersmith & City line train as it approached its final stop at Barking Station shortly before 11.30pm on February 20. The teenager pulled a huge kitchen knife out from the back of his waistband and lunged at Vangu, who managed to fend off the blow…