Three Metropolitan Police officers are under investigation after they were alleged to have inadvertently recorded themselves arranging to falsely arrest a protester during the student fees demonstrations. The officers, who have not been named, are alleged to have conspired to arrest a 20-year-old man who had broken through the police cordon during the protests at Parliament Square in December. The man was chased and caught and, it is alleged, was then struck in the face with a police riot shield which chipped his tooth. The officers are then alleged to have discussed how to arrest the man and are believed to have concocted a story in which they claimed the man had threatened to cause criminal damage to a nearby building. However one of the officers was wearing sound recording equipment which recorded the chase and arrest of the man and the subsequent conversation between the officers. The officers have each been served with letters telling them that they are now being investigated for gross misconduct and criminal matters - believed to be assault and false arrest. A total of 113 complaints were received by the IPCC about police officers behaviour during the four demonstrations. One of them concerns 20-year-old student Alfie Meadows, who needed brain surgery after he was allegedly struck on the head during a protest in December.