The Malaysian Red Crescent (MRC) Society is investigating claims of misconduct by a teenage girl, who wore the society’s uniform, in a viral video that purportedly showed her and a man performing an alleged sex act in a car.

In a statement today, the society’s secretary-general Hakim Hamzah said the MRC takes all allegations of misconduct seriously and is prepared to cooperate with the authorities.

“We hold all of our youth, members, volunteers...