Thailand’s Princess Bajrakitiyabha has died following a years-long struggle with a heart condition, the Royal Household Bureau announced today. The princess, a key member of the royal family and potential heir to the throne, collapsed in December 2022 and had been hospitalized since. Her condition worsened significantly in May, leading to increasing concerns about her health. Princess Bajrakitiyabha was the eldest child of King Vajiralongkorn and his first wife, Princess Soamsawali. The palace statement did not provide further details regarding the circumstances of her death. The news marks a period of national mourning for Thailand.