Investigators in Belize say the three women from Massachusetts who died while on vacation had a build-up of fluids in their lungs. The three women from Revere, 23-year-old Kaoutar Naqqad, 24-year-old Imane Mallah, and 26-year-old Wafae El-Arar, were found unconscious in their hotel room at the Royal Kahal Beach Resort last week.

REVERE, Mass. — Revere officials are searching for answers after three women who were found dead on vacation in Belize. Imane Mallah, Wafae El-Arar, and Kaoutar Naqqad grew up together in Revere and were celebrating one of their birthdays when they were found dead inside their beachfront hotel room.

Friends say a birthday celebration trip turned into a horrible tragedy when the three lifelong friends were found dead inside their hotel resort room in Belize.

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,

An investigation is underway after three Massachusetts women visiting Belize were found dead inside their hotel room. NBC News' Marissa Parra reports that a cause of death has not been determined.

Belize investigators awaiting test results. Investigators say the test results will come in three waves. First, there will be tests done on hotel room surfaces for any drugs or ch

Mourners gathered for a vigil Tuesday night in Revere after the bodies of three local women, all in their 20s, were found in a hotel room in the Central American nation of Belize.

Authorities in Belize have launched an investigation into the deaths of three women from the United States who were found dead in a hotel room on Saturday.

The bodies of three Massachusetts women who died while visiting Belize will return to the U.S. on a flight Thursday.