Lindsey Vonn Injury: Updates on Star Skier Following Crash

American skier Lindsey Vonn suffered a serious crash at the Alpine Skiing World Championships in Austria and had to be airlifted off the slope on Tuesday, according to a report from Reuters (via NBC Sports). 

UPDATE: Tuesday, Feb. 5, at 11:59 a.m. ET by Brandon Galvin

Lindsey Vonn has reportedly suffered a major knee injury, according to Yahoo! Sports' Charles Robinson.

---End of update---

The report from the Associated Press (via ESPN) says that Vonn lost control of her right leg after landing a jump and then she slid off course. 

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The four-time overall World Cup champion lost balance on her right leg while landing after a jump. Her ski came off immediately, and Vonn slid off course and hit a gate before coming to a halt.

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According to CNN Breaking News (via Twitter), the hospital where Vonn was taken after the accident says that she suffered a knee injury. 

Alex Goldberger of NBC's Olympics coverage reported (via Twitter) that the doctor examining Vonn believes it to be a knee injury but no further information is available right now. 

Video of the crash surfaced shortly after it occurred (courtesy of hennesey10068) and you can see that Vonn appears to be running smoothly and then after the jump her ski looks like it breaks as she falls to the ground. 

Vonn wrote a story for the Denver Post about the event that ran on Tuesday morning, saying that the weather was causing problems with preparation and could force the race to be postponed. 

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I've been trying to be patient and stay calm, but it's pretty tough with the way the weather has been. It snowed a lot Sunday night, there was no training possible Monday on the race hill, then it rained most of Monday afternoon and evening. 

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The AP report says that the race was delayed by fog for 3.5 hours and that there were several racers who had issues with the conditions. 

Vonn has become one of the most popular athletes in the world and is one of the most decorated skiers of all time. She became the first American female to win an Olympic gold medal in the women's downhill event at the 2010 Winter Olympics. 

In addition to her gold medal, Vonn won a bronze in the Super G at the 2010 Olympics and has won 59 career World Cup races. She is the most decorated American skier in history.