Queen Elizabeth II meets Emir of Qatar at Windsor Castle

The British monarch was pictured shaking hands with the Emir in her sitting room

Britain's Queen Elizabeth II welcomes Qatari Emir Sheikh Tamim at Windsor Castle on Tuesday. AFP

Britain's Queen Elizabeth II welcomed Sheikh Tamim, the Emir of Qatar, to Windsor Castle on Tuesday afternoon.

The monarch met the emir, Sheikh Tamim, a day after touring Chelsea Flower Show in a luxury buggy.

With just over a week to go until the her platinum jubilee celebrations, she stood to shake hands with the emir in her Oak Room sitting room.

Wearing a blue and green floral dress, the queen, 96, smiled broadly as she greeted Sheikh Tamim.

Britain's Queen Elizabeth II begins her tour of the annual Chelsea Flower Show in west London in an electric buggy. PA

Among the attractions at the Chelsea Flower Show, Queen Elizabeth visited a display dedicated to her 70 years on the British throne. Reuters

To help with her mobility, Queen Elizabeth was driven around the vast Chelsea Flower Show site in an electric buggy with a uniformed chauffeur at the wheel. AFP

This year's visit to the Chelsea Flower Show is the first time in nearly a decade that Queen Elizabeth is believed to have used a buggy at an official engagement. AP

Buckingham Palace, the administrative centre of the British monarchy, said the vehicle used by Queen Elizabeth was built by Danish firm Garia and designated a Royal Household buggy. AFP

Prince Edward, Earl of Wessex, Queen Elizabeth's youngest son, and Sophie, Countess of Wessex, enjoy a tour of the Chelsea Flower Show. Getty Images

Princess Beatrice, elder daughter of Prince Andrew, Duke of York, and Edoardo Mapelli Mozzi, her husband, admire one of the gardens at the Chelsea Flower Show. Getty

Earlier on Tuesday, during their discussions, he invited UK Prime Minister Boris Johnson to watch the 2022 Fifa World Cup of football in Qatar.