23-year-old Christine Angelica Dasera was found unconscious in an empty bathtub of a hotel room in the city of Makati, where she and her friends were celebrating New Year's Eve.
The flight attendant was later pronounced dead after being taken to a hospital in the Philippine city.
City police chief Col. Harold Nepossitar revealed that 11 men were reportedly with the flight attendant at the time of her death. The allegations are temporary, as authorities await autopsy and toxicology reports.
Of the 11 accused, "only three of them were her friends. "The others were almost unknown," Depositar said. The men are suspected of rape, as chrysanthemums and semen were found on Christine's body.
Her body was also full of bruises and scratches.