A substantial amount of cash was stolen in a late night robbery at Nationwide Building Society in Newtown last night..
The robbery of cash in transit happened at the building society in High Street at about 10pm on Monday, December 20.
Officers from Dyfed-Powys Police are appealing for witnesses.
Anyone with information should contact CID at Newtown on 0845 330 2000 or Crimestoppers on 0800 555 111.