LONDON -- Police are investigating an incident in which an officer believed to be guarding the home of Prince William and his wife the former Kate Middleton accidentally fired a shot inside a vehicle.

Metropolitan Police confirmed Friday that the incident involving a Specialist Operations officer happened last week in north Wales.

Police said the shot damaged the floor of the vehicle but did not injure either of the officers inside.

The officer involved has been removed from firearms duty while the incident is investigated.

William and his wife, now known as the Duchess of Cambridge, have a rented home in Wales, where the prince is a Royal Air Force search and rescue helicopter pilot.

The royal couple has managed to stay out of the limelight while in Wales.

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  • Prince William (L) and Catherine (2nd-L), the Duke and Duchess of Cambridge, accompanied by Crown Princess Mary (R) and Crown Prince Frederik of Denmark pose before their visit to UNICEF's Global Supply Centre in Copenhagen on November 2, 2011. (Getty)

  • Prince William, Duke of Cambridge, Catherine, Duchess of Cambridge, Mary, Crown Princess of Denmark and Frederik, Crown Prince of Denmark visit the UNICEF Global Supply Centre on November 2, 2011 in Copenhagen, Denmark. The visit is to help maintain the spotlight on the ongoing humanitarian crisis in East Africa, which has left hundreds of thousands of children severely malnourished and at risk of starving to death unless they receive urgent help. The huge supply centre sources supplies packs and distributes the food, water, vaccines and emergency medical kits for children around the globe. (Getty)

  • Prince William, Duke of Cambridge, Catherine, Duchess of Cambridge, Mary, Crown Princess of Denmark and Frederik, Crown Prince of Denmark visit the UNICEF Global Supply Centre on November 2, 2011 in Copenhagen, Denmark. (Getty)

  • Prince William, Duke of Cambridge, Catherine, Duchess of Cambridge, Mary, Crown Princess of Denmark and Frederik, Crown Prince of Denmark visit the UNICEF Global Supply Centre on November 2, 2011 in Copenhagen, Denmark. (Getty)

  • Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge visit the UNICEF Global Supply Centre on November 2, 2011 in Copenhagen, Denmark. (Getty Images)

  • Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge visit the UNICEF Global Supply Centre on November 2, 2011 in Copenhagen, Denmark. (Getty)

  • Prince William, Duke of Cambridge, Catherine, Duchess of Cambridge, Mary, Crown Princess of Denmark and Frederik, Crown Prince of Denmark visit the UNICEF Global Supply Centre on November 2, 2011 in Copenhagen, Denmark. (Getty)

  • Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge visit the UNICEF Global Supply Centre on November 2, 2011 in Copenhagen, Denmark. (Getty)

  • Prince William (L) and Catherine (R), the Duke and Duchess of Cambridge, accompanied by Crown Princess Mary (2nd-R) and Crown Prince Frederik of Denmark arrive for a visit at UNICEF's global Supply Centre in Copenhagen on November 2, 2011. (Getty)

  • Prince William (L) and Crown Prince Frederik of Denmark arrive for a visit to UNICEF's Global Supply Centre in Copenhagen on November 2, 2011. (Getty)

  • Prince William (2nd-R) and Catherine (R), the Duke and Duchess of Cambridge, accompanied by Crown Princess Mary (2nd-L) and Crown Prince Frederik of Denmark pack life saving emergency supplies during their visit at UNICEF's Global Supply Centre in Copenhagen on November 2, 2011. (Getty)

  • Prince William (L) and his wife Catherine (R), the Duke and Duchess of Cambridge, pack life saving emergency supplies during their visit at the UNICEF's global Supply Centre in Copenhagen on November 2, 2011. (Getty)

  • Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge taste a high energy paste used to treat severe malnutrition during a visit to the UNICEF Emergency Supply Centre on November 2, 2011 in Copenhagen, Denmark. Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge visited the centre to view efforts to distribute emergency food and medical supplies to eastern Africa where severe food shortages are affecting more than 13 million people. (Getty)

  • Prince William and his wife Catherine, the Duke and Duchess of Cambridge, leaves after their visit at the UNICEF's global Supply Centre in Copenhagen on November 2, 2011. (Getty)