A thief was almost “blown to smithereens” after leading cops on a 70mph chase on a stolen quadbike while it was engulfed in FLAMES.<br /><br />Steven Johnstone, 41, of Bradford, broke into a garage on a farm in Teesdale, County Durham, shortly after midnight on October 11, last year.<br /><br />Police dashcam shows him trying to outrun cops as he hurtles along busy roads on the Yamaha Kodiak 700.<br /><br />Sparks are seen coming from under the bike moments before it erupts into a fireball, but incredibly Johnstone carries on driving.<br /><br />He then crashes the burning bike into a bush on a residential road by the River Skerne near Darlington and flees on foot.
