Specialist officers are examining a property in Mill Street following an 'unexplained death'.
Officers carried out a welfare check this afternoon (10 December) at a flat on Mill Street.
They found a deceased man inside, believed to be 53 years old.
A crime scene cordon is in place, and detectives want to speak to anyone with information.
The Criminal Investigation Department can be contacted on 01481 222 222.
BA's new Guernsey Heathrow service ready for take off
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Guernsey police investigate two vandalism incidents in three days
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£1.3M available to Guernsey charities and non profits
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New scheme teaches Guernsey families to cycle safely together
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Water testing could identify new species in Guernsey
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Guernsey by-election countdown
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Muratti Tickets on now on sale
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Channel Islands lifeboats launched 102 times in 2025
RNLI lifeguards and lifeboats in the Channel Islands helped more than 100 people last year, saving at least one life, according to the charity.
