Ryan Hunter-Reay has won the crash-filled IndyCar race at Pocono Raceway, where the focus was on an accident involving Andretti Autosport teammate Justin Wilson.

Wilson was hit in the head by a large piece of debris that broke off Sage Karam's car when Karam spun into the wall. His car veered left and directly into an interior wall.

Wilson was swarmed by the safety crew and airlifted from the track.

IndyCar had a subdued victory lane and Hunter-Reay was not sprayed with the traditional confetti. The American said after his win: "My first thoughts are with Justin. I have no details right now. It's a bit hard not knowing anything."

Josef Newgarden was second and IndyCar points leader Juan Pablo Montoya finished third.