<p>A teenager who drove a stolen car the wrong way through the Blackwall Tunnel and then caused a head-on collision has been sentenced to four years in prison.</p><p>Johal Rathour, 18, of Grays, Essex, caused the crash in the early hours of the 6th of August last year and fled the scene.</p><p>No serious injuries were caused to the driver of the Mercedes van he crashed into.</p>
