Formula One: Vettel labels Kvyat a 'mad man' and 'suicidal'

Ferrari's Sebastian Vettel, left, Mercedes driver Nico Rosberg, center, and Red Bull driver Daniil Kvyat of Russia, right, after the Chinese Formula One Grand Prix . Picture/AP
Ferrari's Sebastian Vettel, left, Mercedes driver Nico Rosberg, center, and Red Bull driver Daniil Kvyat of Russia, right, after the Chinese Formula One Grand Prix . Picture/AP