Tyres should be changed on safety grounds - Vettel

Sebastian Vettel has criticised the resistance against introducing a new structure of tyre at the Canadian Grand Prix, arguing it should have been changed on safety grounds

Source: http://en.espnf1.com/redbull/motorsport/story/109830.html?CMP=OTC-RSS

Gianmaria Bruni Jimmy Bryan Clemar Bucci Ronnie Bucknum Ivor Bueb