2017 calendar reveals threats to races in Canada, Germany and Brazil

Next year's Formula One races in Canada, Germany and Brazil are all in doubt after the FIA, Formula One's governing body, published its calendar for the 2017 season.
Although there are few changes to the existing record-breaking 21-race schedule - with Melbourne's Albert Park playing host to the season opener on March 26 and the Abu Dhabi Grand Prix holding the final race of the campaign on November 26 - the events in Montreal, Hockenheim and Interlagos are "subject to confirmation".
The German Grand Prix has been struggling financially in recent times following the collapse of... read more