The causes of death for three Revere women who died while vacationing in Belize was “acute pulmonary edema,” or build up of fluid in the lungs, and their bodies are scheduled to return to the United States on Thursday,

Three Revere women, all in their twenties, were found dead in their hotel room in Belize last weekend.Police in Belize told ABC News on Wednesday that the women died of acute pulmonary edema, a condition that occurs when fluid suddenly fills the lungs and causes trouble breathing.

Three American women were found dead over the weekend in a beach resort in Belize, police said Monday, and officials were investigating the deaths as possible drug overdoses. Belize police identified the women as 23-year-old Kaoutar Naqqad,