Update #2:

Carrie Fisher's brother Todd Fisher told Entertainment Tonight that his sister remains in the intensive care unit following her reported heart attack, and that she is "being well looked after." The Associated Press later corroborated the story.

Todd Fisher told ET that her condition is still unknown, despite earlier telling the AP she was stable. "We certainly do not know her condition, that's why she is in ICU. I'm sure everyone wants to speculate, but now is not the time for that," he told ET.Carrie Fisher's brother, Todd Fisher, confirmed to The Associated Press that the actress is now in stable condition following a "medical emergency" during an international flight.According to the AP , Todd Fisher said she was "out of emergency" at a Los Angeles hospital, however he was unable to discuss any further information regarding what has happened, including whether she did indeed suffer a heart attack, as has been reported, or instead another medical issue.Stay tuned to IGN for more updates on Fisher's condition.Original story follows:

Star Wars actress Carrie Fisher has reportedly suffered a heart attack at the age of 60 while on an international flight and is currently in "critical condition" according to multiple reports. The Los Angeles Times reports that Fisher was in critical condition following what emergency officials described as a "cardiac episode" that occurred during her flight from London on Friday, December 23. She was then rushed to the hospital by paramedics from the Los Angeles Fire Department after the plane landed at LAX. A source also confirming the "full cardiac arrest" to NBC News said the actress' condition was "not good." The actress is also reportedly on assisted breathing.Fellow passengers on the plane also tweeted about Fisher's condition, saying she reportedly stopped breathing during the flight.United Airlines released a statement to Variety , saying "Medical personnel met United flight 935 from London to Los Angeles upon arrival today after the crew reported that a passenger was unresponsive." United would not reveal the name of the passenger to which the company was referring, however. TMZ originally reported word of Fisher's heart attack.IGN will update this story as more is known about Fisher's condition.Earlier this year, Fisher released a memoir, The Princess Diarist, which includes passages from the journals the actress kept while filming the original Star Wars: Episode IV — A New Hope. She reprised her role as Leia Organa in the franchise in 2015's Star Wars: The Force Awakens and, according to NBC News, recently finished shooting her scenes for 2017's Star Wars: Episode VIII.Developing...

Jonathon Dornbush is an Associate Editor for IGN. Find him on Twitter @jmdornbush