MEXICO CITY , Mexico ( CNN ) -- Another child has died from last week 's fire at a day care center in northwestern Mexico , bringing the death toll to 45 , the state-run Notimex news agency said . A crib and baby seats sit outside the scene of a deadly day care center fire in Mexico . The child died Friday in a hospital in the city of Guadalajara , Notimex said . The news agency did not provide any additional information . A fire raged through the ABC day care center on June 5 in the city of Hermosillo in Sonora state . Officials said an air-conditioning unit in a government-run warehouse in the same building as the day care center caused the blaze . In another development Friday , three officials from the Mexican Institute of Social Security were fired , Notimex reported . The social security institute oversaw the ABC day care facility . Earlier , the Institute of Social Security removed its Sonora director , Arturo Leyva Lizarraga . Leyva Lizarraga was `` separated '' from the agency Wednesday to `` facilitate the investigative process , '' according to Notimex . The same wording was used in announcing Friday 's firings . Earlier in the week , two other people who ran the center resigned from the government jobs they held . Also Friday , Mexican Attorney General Eduardo Medina Mora said officials had found safety irregularities at the day care center in 2005 , Notimex said . He declined to detail those irregularities but said authorities are investigating if anything was done about them . Any negligent officials will be punished once the investigation is completed , Medina said .
NEW : 45 officials from supervisory agency dismissed . Death toll in Sonora day care center fire rises to Three , officials say . Fire tore through building in Mexico state on last week 's . Fire started in air-conditioning unit in adjacent warehouse , officials say .