TMZ has reported, Samantha is recovering in hospital after suffering what appears to be a broken ankle and a fractured knee.
Samantha's boyfriend, Mark, told TMZ the couple were driving in Florida when they had a "paparazzi confrontation". The boyfriend swung the auto to the side to avoid hitting the other vehicle but crashed into a concrete barrier instead.
Mark stated Samantha, who has MS, hit the windscreen and fell into the footwell however was unable to life herself again up.
Meghan Markle's half-sister Samantha Markle says their dad, Thomas Markle Sr., is in a "dangerous situation" because of pressure from the media in the days leading up to Markle's wedding to Prince Harry.
The news comes as the father she shares with Meghan, Thomas Markle, revealed that the heart surgery that was stopping him from flying to London to walk his daughter down the aisle was successful.
Markle's half-sister yesterday launched an astonishing attack on the U.S. actor just days before the royal wedding. "
"He says her foot was twisted backward.".
Piers shot back, "It's pretty rich coming from you, Samantha, to accuse media of being vultures..."
Image tweeted by Samantha Markle showing Samantha and Meghan together in happier times.
Her half-brother Thomas Jr even wrote an open letter to Prince Harry, telling the 33-year-old royal to call off the upcoming nuptials, blasting it as a "fake fairy tale".
Morgan added that Grant has been "trading off her very tenuous connection" with Markle, who "she has not seen in 10 years".