Emergency services were called to Hue Court on Sunday following the sudden death of a man.
Police closed Union Street and surrounding roads and asked motorists and pedestrians to avoid the area.
Officers have confirmed the sudden death of a 51 year old man at around 4pm.
It is not being treated as suspicious.
The force says no further information will be released at this time.

The first ever Royal Visit to The Ecréhous
Second-hottest Jersey day on record
'Stay Cool!': How Jersey's schools are coping with the heatwave
Man assaulted outside St Helier pub
Oldest Island Walk finisher back by dinnertime
June heat record still stands...for now...
Chief Minister thanks outgoing Prime Minister
40°C possible for Jersey midweek