A woman who died in Hogarth Road in Ipswich on Tuesday after going into cardiac arrest has been named as 24-year-old Jade Bagley,
A post mortem examination is due to take place today to ascertain the cause of death.
Three people have been arrested and bailed on suspicion of administering a noxious substance.
Police continue to appeal to anyone with information in relation to this incident to contact Ipswich CID on 101.
More top news
Six people - aged between 16 and 28 - have been arrested over two stabbings in Newmarket earlier this week.
The NSPCC is referring a record number of reports of neglect to police and social services - including a massive increase from this region.
MK Dons captain Dean Lewington talks to ITV News Anglia about his career at the club and why he's still as proud as ever to wear the shirt.