and students at the green vail elementary school in eastchester. the district confirming a second grader died suddenly on saturday, but the exact cause has not been determined. >> i feel for the family. my god, i can't even imagine what they are going through at this. >> reporter: the school superintendent sent out a statement saturday night, saying the health department assured us the green vail school is safe for students and staff to return on monday and no additional action is necessary regarding the safety of the students, faculty and staff at this time. but that's not enough for laura covay, who has a fifth grader at green vail. she points to a memorial garden behind the school for another second grader from the same classroom, who died suddenly of influenza in 2012 as a concern. >> i surely think this is all just coincidence. that's what i'm praying that it is, but right now, i need to worry about the fact that he's still in the school and we don't know exactly what is going on. >> so you're keeping him home? >> i am keeping him home. >> rep