A 14-year-old boy is in a critical but stable condition after a 10 car pile up at the Daytona Speedway according to ESPN. A man is also receiving treatment for a "life threatening head injury" after debris from the accident entered the stands during yesterday's race.
NASCAR's Vice President of Operations Steve O'Donnell has confirmed that the fencing which was severely damaged by the falling debris has been replaced. The 55th Daytona 500 is expected to get underway later despite the accident.
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Nearly 38,000 runners will hope to complete Sunday's London Marathon making it the biggest event in its 35-year history.
Rain across central Britain with longer, intense downpours with thunder in places this evening. A lucky few will stay sunny and dry.
Planning on going to the London Marathon tomorrow? Read our handy guide first!