Princess Anne has said she is “deeply saddened” to miss a memorial ceremony in Canada, after she recovers from her concussion after falling from a horse. In her first public comments since last week’s accident, the Princess Royal expressed her regret that she could not be in attendance at the service in Newfoundland. She had been intending to travel there this ahead of this week to attend the repatriation of the remains of a Canadian soldier who died on the battlefields of Northern France in the First World War. Canada’s Governor General read some remarks made by the Princess at a ceremony tod…