A group of singing sewermen are doing it "Gangnam Style" in the sewers of London.
The Thames Water workers have released a YouTube video entitled Sewerman Style - influenced by Korean pop star Psy, whose song Gangnam Style has more than 900 million hits on Youtube.
The new video urges people to not wash turkey fat down their sinks at Christmas.
Click here to watch their latest video.
More top news
The operation carried out by Westminster City Council led to the seizure of £8,000 worth of cigarettes.
Armed troops have been stationed around Parliament to free up armed police to patrol the streets in the wake of the Manchester bomb attack.
Chelsea had planned an open top bus tour to show off the Premier League trophy and hope to add the FA Cup in Saturday's final with Arsenal.