MOTOGP: Lorenzo suffers collarbone fracture

Jorge Lorenzo suffered a fractured left collarbone which will rule him out of the Assen TT after a huge crash in a wet second MotoGP practice session

Source: http://www.autosport.com/news/report.php/id/108313

Francois Cevert Eugene Chaboud Jay Chamberlain Karun Chandhok Alain de Changy