Meghan Markle's estranged father is unable to speak after suffering a stroke, according to the US media.
Royal fans and experts in UK have already started speculating about Meghan' reaction to her father's medical condition.
A royal expert said Thomas Markle suffered a "major stroke", wondering " what compassionate Meghan Markle going to do".
Although Meghan's estranged father had long been criticizing his daughter, some royal fans think she might cancel her visit to the UK if Thomas' condition deteriorates.
Meghan and Harry are due to arrive in the UK next month to attend Queen Elizabeth's Platinum Jubilee celebrations.
Earlier, thee 77-year-old was pictured arriving at a hospital in Tijuana, Mexico, on Monday.
In the photo, the Duchess of Sussex's dad was pictured surrounded by paramedics as he lays on a stretcher with an an oxygen mask strapped to his face.
King Charles took a break from public duties after diagnosis with cancer
Jess Glynne contemplated quitting her career despite her track Rather Be going viral
Zendaya portrayed the role of a tennis player in her newly released sports drama film 'Challengers'
Nelly and Ashanti happy to welcome their baby together after reonciliation, says source
A character from The Simpsons’ finally bid farewell to the show
Emma Stone recently opened up about Jimmy Kimmel’s Poor Things Oscars joke
