Police say they were forced to close part of Douglas promenade on Saturday.
In the early hours, officers were called to an address on Central Promenade because of an incident.
A 22 year old local man was arrested and is currently helping police with enquiries.
No further details have been released.
Former Red Arrows pilot recalls engine cut-out
Andy Wyatt was taking part in a display for the TT
Auditor General criticises lack of progress
Current frameworks lacking requirements of international standards
TT footbridge removal to close busy junction
St Ninnian's crossing to be taken down this weekend
Ed Space to create two full-time positions with £50,000 grant
The charity is supported by 70 volunteers and has 150 attendances at weekly sessions each month