UPDATE: Prince William and King Charles have been notified of Princess Anne’s condition after she was rushed to the hospital.

Prince William and King Charles have been notified on Princess Anne’s condition after the royal was rushed to hospital.

The Princess Royal sustained minor injuries and a concussion at her Gloucestershire estate on Sunday.

King Charles, Queen Camilla and the Prince of Wales were told of Princess Anne’s condition last night.

Princess Anne’s two other siblings Prince Andrew and Prince Edward are also aware of the Princess Royal’s current condition.

The King’s sister is recovering well, is in a comfortable condition and is being kept in hospital as a precautionary measure for further observation.

Sir Tim Laurence, Anne’s husband, accompanied her to the hospital on Sunday.

Buckingham Palace has confirmed that on doctors’ advice, Anne’s engagements for the week ahead will be postponed.

They added that the Princess Royal sends her apologies to any who may be inconvenienced or disappointed as a result.

The Japanese State Visit will go ahead as planned but Princess Anne will be unable to attend the State banquet tomorrow.

The royal will also no longer be undertaking her planned engagements in Canada this month.

Doctors have advised the Princess Royal against flying this week.

Plans are being examined in close consultation with the Canadian Government as to how The Princess’s proposed engagements may be adapted.

The King’s sister was walking within the protected perimeter of Gatcombe Park estate when the incident occurred, resulting in her sustaining minor wounds to the head.

The head injuries are consistent with a potential impact from a horse’s head or legs.

Princess Anne has suffered concussion and is expected to make a full and swift recovery.