Star Wars legend Carrie Fisher is reportedly in a critical condition after suffering a heart attack during a flight, US media reports.
The actress, who played Princess Leia in the Star Wars, films reportedly went into cardiac arrest on a London to LA flight, the LA Times reports.
It happened on Friday and the 60-year-old was rushed to hospital when the plane landed.
She had been on tour promoting her latest book The Princess Diarist which is a memoir written by Fisher based on diaries she kept around the time she starred in the Star Wars films.
Thoughts and prayers for our friend and everyone's favorite princess right now.. @carrieffisher— Peter Mayhew (@TheWookieeRoars) December 23, 2016
A spokeswoman for police at LAX airport said: "Los Angeles police responded at 12.15pm to Terminal 7 regarding a female victim who went into cardiac arrest.
"Upon arrival the LAFD (Los Angeles Fire Department) was already performing CPR on the victim and the victim was transported to a local hospital for further medical treatment."
Fisher returned to her famous role to star in 2015's Star Wars Episode VII: The Force Awakens and is set to reprise it for Star Wars VIII which is scheduled for release in December 2017.
The actress was born in Beverly Hills, California, to actress Debbie Reynolds and singer Eddie Fisher, who also found fame hosting his own television show.
She made her acting debut in 1975 in Shampoo, starring alongside household names such as Warren Beatty and Goldie Hawn.
Following her role in the first instalment of the Star Wars Trilogy, Episode IV: A New Hope in 1977 , she went on to appear in the 1980 hit, The Blues Brothers.