Look after your belongings while watching the TT races.
That's the message from Sergeant Andrew Reed, who's asking the public to keep equipment secure while watching the bikes to stop things being dropped onto the race course.
It comes following a near miss with a football during Saturday's Superbike race.
A video posted on social media shows it rolling across Bray Hill just moments before John McGuinness whizzes past.
Speaking to 3FM, he adds respecting marshals is important:
Bar George debts case heads to court
Do you know these men?
Garage warns of pothole which broke two wheels today
TT riders will miss special Bray Hill tree
Inflation steady at 3.3 per cent
Less than one percent of buildings on council blacklist
Senior Tynwald committee to look at healthcare funding
Government apologises after child benefit problems