Detectives have issued a warning following the death of a 19-year-old man after he apparently took badly-produced drugs at a flat in Witham in Essex.
Two other men were taken ill but later recovered after hospital treatment.
They're believed to have taken a drug from the LSD family known as 2CE.
Officers were called to Bramble Road, Witham at about 2.25am on Saturday April 27 by the ambulance service. A 19-year-old man from Braintree was found dead. Another man aged 18 from Braintree and a man aged 21 from Witham were taken to Broomfield Hospital.
Two 19-year-old men from Braintree and a 21-year-old man from Witham have been arrested in connection with the investigation.