Armed police were called to a confrontation in west Hull this morning.
Officers were called after a woman was "displaying threatening behaviour" in Dorset Street, off Hessle Road, just atfer 8am.
The Mail understands she was arguing with a man.
A spokeswoman for Humberside Police said: "Firearms officers attended and located the woman at a nearby address where she was initially detained.
"Officer took steps to establish the circumstances and returned the woman to her home address."
She was not arrested and no-one was hurt.
