Felipe Massa vowed to return to Formula One "as soon as possible" as he left hospital in Hungary to fly home to Brazil after his horror crash last weekend. Massa suffered “life threatening” injuries as his Ferrari careered off in final qualifying for the Hungarian Grand Prix at 200kph and slammed into a tire barrier. He spent two days in an induced coma after emergency surgery for a fractured skull and brain concussion and there were fears he would not be able to drive again