A 34-year-old was fined after a disturbance at the Merton Civic Centre in Morden.
Piotr Gertner, of no fixed abode, admitted assaulting a policeman and using threatening, abusive words and or behaviour at a hearing at Wimbledon Magistrates' Court on Thursday, February 27.
The incident took place the day before on Wednesday, February 26 at Merton Council's offices.
A police spokesperson said Gertner was arrested for assaulting a police officer and for a public order offence at 2.18pm at Merton Civic Centre, London Road, Morden.
He was taken to a south London police station where he was charged and detained in custody to appear at Wimbledon Magistrates' Court the following day.
He admitted two charges of assaulting a PC and the use of threatening words or behaviour.
He was fined a total of £90 and ordered to pay a victim surcharge of £20.
- Friar Tuck and Little John come to the New Wimbledon Theatre as you've never seen them before
- UPDATE: Teenager fighting for his life after being 'stabbed by group of males' at Rose Hill roundabout in 'serious but stable condition'
- UPDATE: Mother and baby in pram hit by skidding motorcycle as they crossed the road
- My dentist was a convicted unlicensed fraudster says shocked patient
- Community mourns loss of two former councillors who died within a day of each other