New York City police said they were searching for a group of five women who robbed a cab driver after reportedly throwing an unknown chemical substance in his face.

The cab driver, 47, was dropping the women off on Atlantic Avenue in the Bedford-Stuyvesant neighborhood of Brooklyn around 4:30 p.m. on Oct. 23 when the alleged attack occurred, WPIX-TV reported, citing police. The women were all believed to be in their 20s.

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As they got out of the cab, the women allegedly threw an unknown chemical substance in the driver’s eyes and robbed him of $200, police said. The women escaped on foot down the avenue.

The victim was rushed to a hospital in stable condition, WCBS-TV reported. It was unclear what type of injuries he suffered. An update on his condition wasn’t immediately available.

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Police released surveillance photos of the women and asked anyone with information in regard to this incident to call the NYPD's Crime Stoppers Hotline. A $2,500 reward was offered for information.

Police said all tips would remain confidential.