The Mountain Road has shut between the Bungalow and Creg ny Baa.
Police say with just an hour to go before roads around the course are due to close, they're dealing with a crash.
They say the incident happened at the 32nd Milestone.
Traffic is being diverted away from the scene via Creg ny Baa and the Bungalow.
Two more schemes backed by government fund
The Department for Enterprise says it's backing two more developments in Douglas under the Island Infrastructure Scheme.
Island to get Bikesafe scheme for first time
A special training scheme for bikers will come to the Isle of Man for the first time this year - just in time for TT!
Jurby Junk's Stella dies aged 90
The woman who founded legendary bric-a-brac store Jurby Junk has died.
No plans to publish UK's assisted dying letters
Chief Minister Alf Cannan says he won't publish letters sent from the UK government querying the Island's assisted dying laws.
Burst water main disrupts Onchan supply
Manx Utilities is currently dealing with a burst water main on Royal Avenue in Onchan.
Government advice following spike in data breaches
The government's cybersecurity centre has issued advice to organisations after a sharp rise in the number of people hit by data breaches.
Plans for four-foot flood walls at Ramsey harbour
The Department of Infrastructure has submitted a planning application to try to protect Ramsey from sea flooding in future.
Garage blaze in the early hours of this morning
The fire service says it tackled a fire in Douglas in the early hours of this morning, Tuesday, February 10.
