Residents in Governor's Hill say they fear there's another pollution incident in the local duckpond.
Earlier this year a number of birds had to be cleaned after the water was polluted by oil.
This morning on Facebook, a number of people say they noticed some sort of scum topping the water.
Nearby residents say they're not sure what it is, but have reported it to the Department of Environment, Food and Agriculture.
Extra cellular coverage for Tynwald Day card machine users
Tynwald Day traders using card machines will be supported by Manx Telecom.
Mail to Israel restarts, but Gaza and Iran still suspended
Isle of Man Post Office says you can start sending mail to Israel again - but no Gaza, Iran or the West Bank.
£4 million penalty for egaming company
A Braddan egaming firm has been slapped with a £4 million civil penalty after an inspection by the gambling regulator.
WATCH: Kipper the Cat becomes Island's latest YouTube star!
The Isle of Man has a new celebrity cat - thanks to the power of artificial intelligence!
Douglas Council backs DOI's 20mph limit plans
The Island's largest local authority has backed plans to introduce new 20mph speed limits.
Egaming firm hit with £70,000 penalty by regulator
A company's been hit with a £70,000 civil penalty after failings in its anti-money laundering regime.
Tributes paid to former MHK
Tributes have been paid to former MHK Tim Baker, who has died aged 59.
MHK queries timetable for drug policy change
When will the Island change its approach to drugs and the harms they cause users?
