A female police officer was arrested by one of her colleagues after getting drunk at a force leaving do and allegedly using the N-word.
PC Molly Parr, 27, is also accused of hurling abuse at a homeless man and threatening her boyfriend Matt Morris in September 2019.
A misconduct hearing was told how Parr was off-duty with colleagues when she began drinking on the night out in Cardiff with other officers.
PC Molly Parr, 27, is accused of using the N-word, furiously telling colleagues not to give money to a homeless man, and threatening her boyfriend
Disgraced police officer Molly Parr with boyfriend Matt Morris
She was heard shouting and being abusive to a homeless man asking drinkers for money. The officer is also alleged to have used the N-word and other 'foul and abusive language' during the leaving do.
She was at a party for colleague PC Jeffrey Smith in the Brewery Quarter when he realised 'things were getting out of hand'.
PC Smith said he remembered hearing Parr use the 'N-word' on the night. The hearing was also told about a 'recording' made on the night where Parr can be heard saying the racist word.
Parr - whose father is David Parr, chief executive of Halton Borough Council in Cheshire - moved from Manchester to Gwent to start her career as a police officer.
But CCTV footage shown to the hearing sees Parr and DC Kelly Perry stood chatting outside the Brewhouse bar at around 9pm.
A homeless man with a dog appears and asks drinkers for spare change before approaching Parr.
A misconduct hearing was told how Parr was off-duty with colleagues when she began drinking on the night out in Cardiff with other officers. Pictured with Matt Morris
She was at a party for colleague PC Jeffrey Smith in the Brewery Quarter in Cardiff (pictured) when he realised 'things were getting out of hand'
DC Perry said the homeless man appeared to have a 'Birmingham accent' and Parr said 'he wasn't from Wales' and should 'go back to where you came from'.
DC Perry said the homeless man then responded by pointing out Parr's Manchester accent. The homeless man went to a different table when Parr was heard shouting: 'Don't give him money, don't give him money'.
DC Perry said: 'I did feel uneasy and that her behaviour was inappropriate.'
She added that Parr had asked her about her behaviour outside and she replied that was not how she would have acted.
The hearing was told PC Samuel Smith was also drinking at the leaving do in September 2019 but later arrested Parr.
Parr faces allegations of breaching standards of professional behaviour. The hearing in Cwmbran, Gwent continues. Pictured with her boyfriend Matt Morris
He told the hearing that 'matters started to deteriorate after around 10pm' and that he 'placed himself on duty' to arrest her.
The hearing was told there was 'domestic incident' involving Parr and her partner which was 'not pleasant to view'.
PC Smith said: 'Parr was threatening violence to her partner and him to her..'
Parr was described as 'heavily intoxicated' before she was arrested for breach of the peace.
Presenting officer for Gwent Police Jonathan Walters said: 'When you add up all of the actions of that evening it was gross misconduct.'
Federation representative Steve Thorpe said Parr, who did not attend the hearing, accepted her behaviour 'fell below what was expected of her.'
The hearing was told Parr later resigned from Gwent Police and does not wish to rejoin any other force.
Parr faces allegations of breaching standards of professional behaviour in relation to 'authority, respect and courtesy; equality and diversity and discreditable conduct'.
The hearing in Cwmbran, Gwent continues.