grind mark you could say. in the path of the semi. reporter: the semi couldn t stop on time. two passengers died on impact. the driver of the semi wasn t injured and helped paramedics pull the injured teens from the wreckage. he stepped in to help out, how could you not. really a very devastating situation to be in in the first place. reporter: the accident happened around noon during the school s lunch hour. nevado s high school principal says students are allowed to leave campus for lunch. now investigators found several open beer cans inside the smashed bmw. once again the 17-year-old driver of that bmw has been arrested for dui. he s also been cited for driving without a license. the driver had an alcohol level of 3.8. i also spoke off camera with nevado s principal, they will not be giving any statements today, but on monday they plan to be talking more about this accident. reporting live from nevado, allie rasmus. we have a developing story where a airplane made