An official said most of the deaths in Hermosillo appeared to have been from inhalation of toxic gases.
A festive holiday weekend turned tragic for families in northwestern Mexico on Saturday when a deadly blaze engulfed a discount store in the city centre of Hermosillo, killing at least 23 people and injuring a dozen.
Mexico is celebrating the Day of the Dead this weekend with colourful festivities in which families honour and remember deceased loved ones.
