Police are appealing for witnesses after an incident involving a man and a woman on Douglas Promenade.
Officers haven't revealed what happened, but say it took place at 2am on Saturday near the cafe and toilets next to the Bottleneck Car Park.
They've described the incident as "serious".
If you have any information, you're being urged to contact police headquarters.
Onchan garage faces demolition under new homes plan
An Onchan garage that shut earlier this year could be bulldozed under new plans.
Wind farm could cut bills by 15% and pay for all primary schools
The company behind a planned windfarm off the Island's east coast says the project could see people's electricity bills slashed by up to 15 per cent.
Credit Union sets post-TT reopening date
The Manx Credit Union says its office will be shut for around a fortnight as it brings in a new software system.
Baby fair returns to Santon this weekend
A popular event for mothers is returning this weekend.
0.03% of smart meter installations led to concerns or complaints, says Manx Utilities
Manx Utilities says only around 10 smart electricity meters caused difficulties during installation - out of 34,778 put in.
Event tonight to discuss historic church's future
An event in the south of the Island this week will discuss the future of a church.
Broadband firm has licence revoked
An Island broadband company has had its licence revoked after failing to pay fees and submit information to the regulator.
£484k spent on TT course after inspections by organisers and DOI
The Department of Infrastructure says it carried out just under £484,500 worth of work on the TT course after inspections with race organisers.
