Carrie Fisher has reportedly suffered a massive heart attack

Star Wars star Carrie Fisher has reportedly suffered a massive heart attack on an international flight.

TMZ has reported Fisher went into cardiac arrest on the flight from London to Los Angeles.

Other passengers helped administer CPR.

The plane landed at LAX, where paramedics rushed on board and took Fisher to hospital, TMZ reported.

Fisher became a global movie star after playing Princess Leia in the original Star Wars trilogy.