SHARON – A Massachusetts mother is demanding answers after her young son with autism went missing during recess at his school and was found a couple of blocks away. Boy went missing after recess “Where is he? How did this happen? Who was he with?” Alexandria Belcher said she went into a panic when her son’s elementary school in Sharon lost track of her 6-year-old son, Matthew. Belcher said she got a call from the Cottage Street School principal Tuesday afternoon. “He began to tell me that when the kids were transitioning from recess back inside, they lost track…..