The Police Ombudsman’s Office has appealed for information about an incident during public disorder in east Belfast on 8 December 2012.
It happened in the Ravenscroft Avenue area, close to Holywood Arches, shortly after 3pm.
It is understood a crowd in the area was attacking a police Land Rover at Holywood Arches. Officers are reported to havegiven chase.
As they did so, it is understood that an incident involving a police officer and a member of the public took place close to Harland’s hairdressers.
Anyone who saw this incident is asked to contact the Police Ombudsman’s freephone witness appeal line, which is 0800 032 7880.
A spokesman said: “We understand the incident may have been recorded by a witness using a mobile phone video camera. We would be keen to hear from this person, or from anyone else who saw what happened.”