WINDSOR — The Metropolitan Police has opened an investigation into officers from its Royalty and Specialist Protection team accused of sleeping while on duty and leaving posts unattended at Windsor Castle. The inquiry is being conducted by the force's Directorate of Professional Standards, a spokesperson said.

An unspecified number of officers are under investigation. The Independent Office for Police Conduct and the royal family have both been informed, according to the spokesperson.

"The Met's directorate of professional standards has launched an urgent investigation following concerns raised regarding the conduct of a number of officers on protective duties at Windsor Castle," the spokesperson said. "The allegations include officers leaving posts unattended and sleeping while on duty."

The spokesperson said the conduct under review fell short of the standards required for frontline protection work. "The alleged behaviour falls below the high standards expected of officers, particularly in frontline protective roles," the spokesperson said.

The Independent Office for Police Conduct has determined that the matter will be handled internally by the force. "The Independent Office for Police Conduct has been informed and concluded that this matter will be investigated locally by the Met. As part of their inquiries, DPS is assessing whether any of those under investigation should be placed on restricted duties," the spokesperson said.

A decision on restricted duties is expected before the end of next week. "A decision is expected to be made on this before the end of next week," the spokesperson said.