India, Aug. 15 -- Thai Princess Bajrakitiyabha Narendira Debyavati, who has been unconscious for nearly three years after collapsing due to a heart condition, is now being treated for a severe infection, the Bureau of the Royal Household said.

Doctors treating the 46-year-old princess, the oldest of King Maha Vajiralongkorn's seven children, detected an infection in her bloodstream on August 9, the bureau said in a statement on Friday. She's been administered different types of antibiotics and other medications to stabilise her blood pressure levels, the statement added.

Some analysts saw Princess Bajrakitiyabha Narendira Debyavati as a potential heir to the throne before she slipped into a coma in 2022. If she succeeded, she would beco...