BRONX, N.Y. - Police are investigating after an MTA employee was assaulted on board a bus in the Bronx last month.

Police say the man got into an argument with an employee on a Bx6 bus on East 161st Street in the Concourse section on July 30.

The fight escalated and police say he threw a liquid in the employee's face.

The employee was taken to the hospital and treated for minor irritation to his eyes and mouth.

The suspect rode off on his bike.

Anyone with information in regard to this incident is asked to call the NYPD's Crime Stoppers Hotline at 1-800-577-TIPS (8477) or for Spanish, 1-888-57-PISTA (74782). The public can also submit their tips by logging onto the CrimeStoppers website at or on Twitter @NYPDTips.