Three people have been arrested on suspicion of administering a noxious substance after the death of a woman in Ipswich last night.
Police were called just after 11.30pm last night to a property in Hogarth Road to reports that a woman was in cardiac arrest.
The woman - who was in her twenties - was pronounced dead at the scene.
Officers remain on scene at two properties in Hogarth Road this morning.
A 33-year-old man, a 21-year-old man and a 38-year-old woman, who are all from Ipswich, have been taken to the Martlesham Police Investigation Centre where they remain.
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Sunny spells at first this morning but it will turn cloudy through the day and rain will arrive during the afternoon. Highs of 18ºC.