Former N-Dubz rapper Dappy has been arrested after allegedly having a knife and threatening a woman.
The former Celebrity Big Brother contestant, whose real name is Costadinos Contostavlos, was held after armed police were called to an altercation between a man and woman in a residential street.
Hertfordshire Police said nobody was seriously hurt in the incident in Roe Green Close, Hatfield, at around 4.30pm on Wednesday.
The star, who was arrested in nearby College Lane, is being questioned on suspicion of actual bodily harm and possession of an offensive weapon in public.
A spokesman for Hertfordshire Police said: “The man threatened the woman before leaving the scene. It is believed he had a knife. No one was seriously injured.
“A 29-year-old man was arrested in the local area around 6pm on suspicion of assault ABH and possession of an offensive weapon in a public place.
“He has been taken to custody for questioning. He remains in custody at this time.
A neighbour, who did not wish to be named, said between 15 and 20 police officers arrived in the street during the incident.
He said he spoke to a student who had told him a group of fellow students had intervened to help the woman.
“I only saw the aftermath,” he said. “There was an incident, a guy and a woman. Three or four students came to her aid.
“I got that information from one of the students involved in it – he was standing outside and he explained what had happened. Ten police cars turned up outside and they were out there for getting on a hour.
“At one point there were three or four armed police men standing at the door with one of them shouting instructions through the open door. One went in with two backing him up and one on the driveway was crouching behind a car.”