caroline newman's son is on the team. >> he said that several other students, they all just started feeling really bad, getting overheated, and they all just started feeling bad. >> this neighbor described what he saw. >> on the practice field, i happened to see a couple of football players just laying down, on their knees and throwing up, and it was a pretty nasty like frantic scene. >> reporter: authorities say they had only been on the field 40, 45 minutes before the problems began. at first there were just a couple of players who went down, then a few more, before long a full-blown emergency with 12 students being transported to five area hospitals. >> none was in extremely serious condition. most of them appeared to maybe just need iv fluids, a little rehydration, maybe some oxygen and cooling. >> reporter: according to chief meteorologist norm lewis the heat index in queen anne's county around practice time was 105 degrees. authorities are operating as if this was a let-related incident but says they are not ruling anything out. >> we're exploring every avenue to make sure we don't mi