The Department of Infrastructure says it's had to close the Mountain Road.
The route's currently shut between the Ramsey Hairpin and the Creg Ny Baa.
The DOI says an oil spill has been reported and needs cleaning.
It says it'll reopen the road as soon as the spill has been cleaned.
Illegal immigrant turned back at Manx border can't stay in UK
Bank scammers warning as calls target Island residents
Island to extend UK VAT cut on power, says Treasury Minister
Woman thanks mystery van driver after daring sea rescue
Stay off damaged slipway in Laxey, says local authority
MHK sues attorney general and returning officer over election votes
Islanders reminded to keep challenging domestic abuse beyond October