Terrifying Indy 500 Practice Crash [video]

Ahead of the 99th running of the Indianapolis 500 on 24 May 2015 teams and drivers have been taking to the famous track in anticipation of a closely-fought qualifying session.

Watch as three time winner of the race Helio Castroneves loses control of his car during a practice run, makes contact with the wall and is flipped into the air. Thankfully he escaped uninjured.

Scary.