Tourists have begun gathering at Buckingham Palace amid concerns about Queen Elizabeth II. She was placed under medical supervision after her doctors became "concerned" for her health on Sept. 8.

QUEEN ELIZABETH II HEALTH: LIVE UPDATES

Tourists outside of Buckingham Palace

Tourists have gathered outside Buckingham Palace upon the news of the Queen's health. (Getty Images)

Some tourists in London, including Sue and Andy Alderman from Somerset, decided to go right to Buckingham Palace to pay their respects upon hearing the news, according to the BBC.

QUEEN ELIZABETH CANCELS A MEETING AFTER DOCTORS ADVISED HER TO REST

Other tourists from far away, such as Pam Fleming and Kim Tierney from Australia, were already on a tour of Buckingham Palace when they learned of the tragic update.

Tourists outside of Buckingham Palace concerned for Queen Elizabeth II

Some tourists are in tears upon the grim news about the Queen. (Getty Images)

"She's the only Queen we've had," Pam told the outlet. "All of my life. She's such a lovely lady. It's such a shock." 

Just months ago, the Queen appeared in the same spot, waving to the crowd happily from its balcony during her Platinum Jubilee celebrations.

LIZ TRUSS BECOMES UK PRIME MINISTER

Prince Charles, Camilla, Dutchess of Cornwall, Prince Harry and Prince William are all currently traveling to Balmoral Castle to be by her side. 

People outside of Buckingham Palace worried about Queen Elizabeth II

Just months ago, Queen Elizabeth II celebrated her Platinum Jubilee. (Getty Images)

"The whole country will be deeply concerned by the news from Buckingham Palace this lunchtime," Liz Truss, the new prime minister of the United Kingdom, wrote on Twitter. "My thoughts – and the thoughts of people across our United Kingdom – are with Her Majesty The Queen and her family at this time."

CLICK HERE TO GET THE FOX NEWS APP 

Balmoral Castle, where the queen is currently staying, is her country estate in the Scottish Highlands, which she has long said is her favorite place to be. She has been based there since becoming ill.