Livery cab driver robbed at gunpoint

The NYPD has released surveillance video of an armed robbery inside a livery cab in Castle Hill. 
According to police, two men held their driver at gunpoint Monday night after being picked up near Castle Hill Avenue and the Cross Bronx Expressway. 
The men were caught on the car's camera, and are believed to be between 20 and 25 years old. 
The driver wasn't hurt, but he did hand over his wallet with $100 and his cellphone. 
Anyone with information should call Crime Stoppers at 1-800-577-TIPS