Thoughts and prayers are flooding in online for Star Wars star Carrie Fisher after reports that the actress is in hospital after suffering a cardiac arrest on a London to Los Angeles flight.
Celebrity news website TMZ said the actress was given CPR by passengers on board before the plane landed at LAX and she was taken to a nearby hospital.
Among the many celebrities to take to Twitter to share their thoughts were her Star Wars co-stars Mark Hamill and Peter Mayhew.
A spokesman for the LAFD said: "At 12.11pm the Los Angeles Fire Department responded to LAX International Airport, Gate 74, for a patient on an inbound flight in cardiac arrest. LAFD firefighter paramedics were standing by for the plane's arrival, provided advanced life support and aggressively treated and transported the patient to a local hospital."
The Los Angeles Times quoted a fire department source as saying Carrie was "in a lot of distress on the flight", while NBC News cited sources saying her condition was "not good".