An oil spill on the Billown circuit last night has led to organisers re-arranging today's racing at the Southern 100.

Roads will now close at 9.45 ahead of the first race, Race 7 the 600 A Race and B Race.

It will be followed by Race 8 the 1100 Race, then Race 6 the Sidecar Race.

In the afternoon, events will get underway with Race 7C . . the 600 C Race, then Race 9 the 250/650 Race.

Race 10 is the 125/400 Moto3 Race, Race 11 the Solo Championship, then race 12 the Sidecar Championship.

The last two races of the day will be Race 14, the 600 Challenge and Race A - the Senior Support.