A delivery driver had cash stolen from him in Sunderland.
The incident happened at 8.45pm and 8.50pm on Monday, February 1, in Hendon Close, in Hendon.
A man on a mountain bike approached a vehicle belonging to a delivery driver and grabbed a bag containing cash from the passenger side before making off.
The offender was wearing a balaclava.
Officers are carrying out enquiries into the incident and appealing for information.
Any witnesses should contact Northumbria on 101 quoting reference 1040 010216 or Crimestoppers anonymously on 0800 555 111.