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Roads around the mountain course are scheduled to close at 6pm and will reopen no later than 9pm
The delayed first practice session for this year's Manx Grand Prix is due to get under way this evening.
Saturday's session was cancelled because of poor weather around the course.
First to get underway this evening will be the newcomers on their speed controlled lap.
Roads around the mountain course are scheduled to close at 6pm and will reopen no later than 9pm.