Photos of a fan seeming to go onto the course after roads had closed have attracted hundreds of comments.
A TT visitor posted the snaps to one of the largest TT fan groups, with 72,000 members.
On them, a man can be seen going past the barriers at the end of Devonshire Road near Quarterbridge in Douglas.
He's been roundly condemned by fans.
Level 42 to headline TT 2025!
Level 42 will be headlining this year's TT festival.
Air ambulance flights stopped three times by storms
Health and Social Care Minister Claire Christian says the Great North Air Ambulance Service had to abort coming to the Island four times last year because of bad weather.
Reform UK candidate warns of ferries full of Palatine refugees
A Reform UK candidate has predicted the Isle of Man will be overrun by refugees from "Palatine".
DOI wants to store clinical waste at Braddan site
The Department of infrastructure has applied to store clinical waste at a disposal site in Braddan.
Manx Care spent nothing on gender reassignment last year
Manx Care says the Island hasn't spent any money on gender reassignment surgery in the past 12 months.
School asks dog owners to stay off its fields
An Island primary school is asking pet owners to keep off its grass.
Manannan engine fault causing slower crossings
The Steam Packet company says it's working to fix an engine problem, a week after the Manannan returned from her winter overhaul.
Speeding drivers killing estate's pets, say commissioners
Marown commissioners are appealing for motorists to keep their speed down after a series of incidents of pets being run over.
