NASCAR has red-flagged the event after issues with the curbing caused a massive incident late in the race.<br>The curbing caused issues earlier in the race as debris was wedged beneath it. Following a late-race debris yellow in the same area, NASCAR worked on the curbing.<br>Even so, the following restart quickly devolved into chaos. On the second lap of green-flag running, the curbing finally ...<a class='more' href='https://www.motorsport.com/nascar-cup/news/curb-chaos-red-flag-nascar-indianapolis/6648781/?utm_source=RSS&utm_medium=referral&utm_campaign=R SS-NASCAR&utm_term=News&utm_content=www'>Keep reading</a>

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