File footage shows Queen Elizabeth II and other members of the royal family arriving in Aberdeenshire, Scotland on September 7, 2019 for the annual Braemar Gathering, near Balmoral.

The Queen is under medical supervision at her Balmoral holiday home after doctors became concerned for her health, Buckingham Palace said on Thursday.

The Braemar Gathering is the only Highland Games in Scotland attended by the Queen.

The Queen is patron of the Highland Games event, which are held at The Princess Royal and Duke of Fife Memorial Park, a short distance from the royals' summer residence, Balmoral. The Games have been run in its present form since 1832 and are held on the first Saturday of September.

Queen Victoria first attended the gathering in 1848 and since then the reigning monarch and other members of the Royal Family have regularly visited.

Her Majesty The Queen, The Duke and Duchess of Rothesay (as Prince Charles, The Prince of Wales and Camilla, The Duchess of Cornwall are known when in Scotland) as well as Peter Phillips and his wife, Autumn, arrive at the 2019 Braemar Gathering in Royal Deeside, Aberdeenshire, Scotland. After being presented with flower bouquets, the massed bands march into the games arena.

Led by leading Drum Major Roland Stuart, the pipe bands were Huntly & District, Fraserburgh RBL, Lower Clyde, Gordonstoun School, Inverurie, Perth & District, Blairgowrie, Ballater & District, Lonach, KIntore, Ellon & District RBL and RAF Central Scotland Pipes & Drums. The tunes are Scotland the Brave, Flett from Flotta and Wings.

Her Majesty is patron of the Highland games event, which are held at The Princess Royal and Duke of Fife Memorial Park, a short distance from the royals' summer residence Balmoral. The Games have been run in its present form since 1832, and the always held on the first Saturday of September. Queen Victoria first attended the gathering in 1848 and since then the reigning monarch and other members of the Royal Family have regularly visited.