A taxi driver was robbed at knifepoint by two men in his car in Luton on Tuesday night.
The 31-year-old victim collected the men from Parys Road and drove them to Hawthorne Avenue.
After asking them for the fare for the journey the offenders threatened the driver with a knife and demanded he hand over his phone and any cash.
The victim obliged, at which point the men also took a personal digital assistant device and left the vehicle.
The first offender is described as a white man, about 20 years old, 5ft 8ins tall of slim build, wearing a beanie hat, jeans and a hooded top.
The second is also a white man, about 22 years old, 5ft 10ins tall with an average build, also wearing a beanie hat, hooded top and jeans.
Anyone with information is urged to call police on the non-emergency number 101, or text your message to 07786 200011.