NEW YORK (CBSNewYork) – Something caused the eyes of several passengers aboard an A train to become irritated Monday morning, police said.

24 passengers were effected in the the subway car at 9:50 a.m. at the Howard Beach-JFK Airport stop. Three were taken to Jamaica Hospital, though none of the injuries were considered serious.

It’s not clear what the substance was that caused the problem.

Hazardous material crews cleared the car.

Subway service was briefly disrupted but has since been restored.

You may also be interested in these stories: 

More From CBS New York

Download Weather App

Watch & Listen LIVE