Carrie Fisher suffered a Massive Heart Attack - UPDATE

This is so scary.

Carrie was on a flight from London to LAX when she went into cardiac arrest. People on board were trying to help her by administering CPR.

This happened 15 minutes before the plane landed here in Los Angeles.

The plane landed around 1pm and she was rushed to a nearby hospital.

More to come

UPDATE - Carrie's brother says she's out of the emergency room. She's okay for now.