Police rushed to a bus station after reports of a man carrying a knife.
When they stopped and searched the suspect, at King's Lynn bus station, they found he was carrying a folding pruning knife with a 6ins blade.
Officers tweeted the man had been arrested at 9pm yesterday. One added: "Another knife off the streets."
The seizure is the latest in a string of incidents at Lynn bus station, which local officers have made a policing priority.
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