williams grove speedway in pennsylvania. officials saying he was involved in a multicar crash during warm-ups. his number 31 car slamming into the wall before flipping. i have gone to over a thousand races and i i have never been to one where they needed lifeline. probably one of the saddest times i will ever have in my life. >> the speedway has cancelled all events today out of respect for the campbell family. and fears over toxic contamination have residents fleeing days after a series of massive explosions at a chemical warehouse in china. officials finding highly poisonous sodium cyanide at the blast site and issuing mandatory evacuations. the death toll now at 8 a. new video emerges showing a 19-year-old firefighter rescued nearly 32 hours after the blast. he was found and pulled alive from the smoking rubble. and here at home, a series of explosions rocking a texas oil chemical company.