The Japanese Grand Prix will now alternate between Fuji Speedway and Suzuka Circuit after an agreement was reached with Formula One supremo Bernie Ecclestone.

Formula One supremo Bernie Ecclestone is set to make a decision on the future of the United States Grand Prix by July 12, Indianapolis Motor Speedway officials announced on Saturday.

Indianapolis officials have confirmed the United States Grand Prix will go ahead in 2006, revealing they have been given a July 2 date for the race.

A speedway team has been shocked by the apparent suicide of one its young up-and-coming star riders.