Parents , their supporters have rallied in Hermosillo , where fire broke out July 5 . They say they did n't follow safety rules , is conducting weak investigation . Sonora governor says investigation is ` ` complex and ' '' ` What we are seeing is natural , '' he said . UN representative says all day ##care centers in Mexico should be closed .
Parents , their supporters have rallied in Hermosillo , where fire broke out July 5 . They say they did n't follow safety rules , is conducting weak investigation . Sonora governor says investigation is ` ` complex and ' '' UN representative says all day ##care centers in Mexico should be closed .