Bedfordshire Police are investigating after a man pulled out an axe during an argument at an antique store on Castle Road, Bedford on Saturday (10 September).
Witnesses say it happened after two men started arguing at the shop.
The offender then brandished an axe before leaving the shop and knocking over an elderly lady who had to be taken to hospital with minor injuries.
Police are asking anyone with any information to report it online or via 101 quoting the reference 40/52604/22.
