He did not appear at the rally . Parents , their supporters have rallied in Hermosillo , where fire broke out at least 13 day . They say government did n't enforce safety rules , is conducting weak investigation . Zavala governor says investigation is `` complex and advancing '' The United Nations Children 's Fund 's representative says all day care centers in Salazar should be investigated .
Parents , their supporters have rallied in Hermosillo , where fire broke out at least 13 day . They say government did n't enforce safety rules , is conducting weak investigation . Zavala governor says investigation is `` complex and advancing '' The United Nations Children 's Fund 's representative says all day care centers in Salazar should be investigated .