IndyCar driver Justin Wilson in coma after wreck at Pocono (Yahoo Sports)

1(AP) -- IndyCar driver Justin Wilson was in a coma and in critical condition after sustaining a head injury when he was hit by a large piece of debris that broke off a car Sunday in the crash-filled race at Pocono Raceway.
2IndyCar released the information on Wilson's condition Sunday night and said he was undergoing further evaluation at Lehigh Valley Health Network Cedar Crest Hospital in Allentown.
3The debris broke off Sage Karam's car when Karam spun into the wall.
4Wilson's car veered left and directly into an interior wall.
5Wilson was swarmed by the safety crew and airlifted by helicopter.
6''It's just a tough one right now,'' said Michael Andretti, car owner for Wilson and race winner Ryan Hunter-Reay.
7''Our thoughts and prayers are with Justin right now.
8We're going to see.
9IndyCar had a subdued victory lane and Hunter-Reay was not sprayed with the traditional confetti.
10The American said his thoughts were only with Wilson, an extremely popular driver in the paddock who speaks on behalf of his peers regarding safety and competition.
11''All I know is that he was unconscious, he was not responding and he was airlifted,'' Hunter-Reay said.
12''That's all very bad.
13The accident was a grim reminder of the dangers of open-wheel racing.
14Indianapolis 500 winner Dan Wheldon died in 2011 after his car became ensnared in a fiery 15-car pileup, flew over another vehicle and landed in a catch at Las Vegas Motor Speedway.
15Wheldon's head hit a post in the fence, and he died instantly.
16He was the last fatality in a form of racing that saw drivers Scott Brayton (1996), Tony Renna (2003) and Paul Dana (2006), among others, die after wrecks.
17Wilson's wife, Julia, was transported to Pennsylvania from their home in Colorado by IndyCar, while his younger brother, Stefan, was lent Tony Stewart's plane to make the trip from Indianapolis.
18Stewart, the three-time NASCAR champion and former IndyCar champion, is an Indiana native.
19The race resumed after the Karam and Wilson accident with seven laps remaining and Hunter-Reay picked his way through the field.
20He passed Juan Pablo Montoya, Takuma Sato and then used a bold inside pass of leader Gabby Chaves to take the lead with five to go.
21Chaves then appeared to have an engine failure that brought out the caution with three to go.
22The race ended under yellow.
23Hunter-Reay tried to get an update on Wilson before the race resumed, and again before he climbed from his race-winning Honda.
24''I thought Justin was OK the whole time, and I thought he was in the ambulance with Sage heading off to get a routine check,'' Hunter-Reay said.
25Josef Newgarden was second and IndyCar points leader Montoya finished third.
26Graham Rahal, who was second in the standings at the start of the race, was involved in an early crash.
27Montoya's cushion went from nine points to 35 with next Sunday's finale in Sonoma set to decide the title.
28The finale is worth double points, and six drivers will head to California in contention for the title.
29Hunter-Reay is mathematically eliminated, but picked up his second win of the season in what's been a disappointing year for Andretti and Honda.
30Hunter-Reay was one of many who was discussing safety measures -and not his win - for the open-cockpit series.
31''Maybe in the future we can work toward something that resembles a canopy,'' Hunter-Reay said.
32''Something that can give us a little bit of protection and still keep the tradition of the sport.
33The 37-year-old Wilson, a native of Sheffield, England, entered this season without a full-time ride.
34He latched on with Andretti and was in the sixth of seven scheduled races with the team.
35The deal was put together right before the season-opening race in March and initially started as just a two-race agreement at Indianapolis.
36Sponsorship was found for another five races as the season progressed, and Wilson finished a season-best second earlier this month at Mid-Ohio.
37He said after the race that he raced clean and did not take any risks that would have jeopardized eventual race-winner Rahal because Rahal was part of the championship race and Wilson was not.
38Wilson broke a bone in his back at Mid-Ohio in 2011.
39He missed the final six races of the season and wore a back brace for more than two months as he was restricted from any physical activity.
40The injury kept him out of the season finale at Las Vegas and the race where Wheldon died.
41He broke his pelvis and suffered a bruised lung in the 2013 season finale at Fontana.
42Wilson said in 2012 his injuries and Wheldon's death did nothing to change his perspective or make him question his career choice.
43''I've had the conversation with Julia - this is what we do, and you try to make the best plans if that ever happens,'' Wilson told The Associated Press upon his return in 2012.
44''You've got to know the risks and work out if those risks are acceptable.
45To me, it's acceptable.
46But I'm not going to stop trying to improve it.
47''All the drivers, this IndyCar, we're always trying to make it safer, but at the end of the day, it's a race car.
48We're racing hard, we're racing IndyCars and it's fast.