A Buckingham Palace maid has been arrested after a staff Christmas party descended into chaos, sources have claimed.The party was understood to have spiralled “out of control,” with police called to the scene at All Bar One in Victoria Street.Up to 50 members of staff arrived for a pre-arranged party after drinks at Buckingham Palace. A woman, believed to be a housemaid, aimed a punch at the manager, smashed glasses and was arrested, according to claims in The Sun.Buckingham Palace maid arrested after staff Christmas party descends into chaosGettySecurity tried to calm her down but she continued throwing glasses.A witness to the alleged chaotic scenes told the publication: “I’ve never seen one person get that crazy during a night out. She was on another level.”Police raced to the bar after 9pm on Tuesday and the woman, 24, was arrested for common assault, criminal damage and being drunk and disorderly.She was kept in a cell for the night and released almost 24 hours later with a fine.The staff Christmas party took place at All Bar One in Victoria StreetAll Bar OneA source claimed it had been a “tough night” for everyone involved.Another said: “Someone kicked off outside, was smashing glasses, and then got arrested.”This comes as offices across the country are holding Christmas parties with warnings that they can spiral out of control ahead of Black Eye Friday, or Mad Friday, next week.Royal staff had previously enjoyed drinks at the Palace at 4pm, and the event occurred without any incidents.Buckingham Palace is recognised worldwide as the home of the British monarch and the centrepiece of the UK’s constitutionPAA group of 50 staff, including the woman, arrived for a pre-arranged party at All Bar One, a nine-minute walk away on Victoria Street.One insider claimed: “The group walked in and this one girl just got hysterical. She started smashing glasses and abusing our staff members, so we had to call the police.“I’ve never seen one person get that crazy during a night out. She was on another level.”Another added: “It had been a crazy night, we were incredibly busy and we had to deal with so many bookings. We were fully booked and then we had to deal with a party of 50 people on top of that.”LATEST ROYAL NEWS:The woman was arrested after a staff Christmas party descended into a brawlX / The Royal FamilyA police force spokesperson told The Sun: “At 21.21hrs on Tuesday, December 10 officers were called to a bar in Victoria Street, SW1, following reports that a customer had smashed glasses and attempted to assault a member of staff.“Officers attended and arrested a 24-year-old woman on suspicion of common assault, criminal damage and being drunk and disorderly. She was taken into custody and released the following evening having been given a penalty notice for disorder.”A Buckingham Palace spokesperson added: “We are aware of an incident outside the workplace involving a number of Household staff who had previously attended an early evening reception at the Palace.“While this was an informal social gathering, not an official Palace Christmas party, the facts will be fully investigated, with a robust disciplinary process followed in relation to individual staff and appropriate action taken.”