Two persons allegedly died after mosquito-control fogging was carried out in Upputhottam near Annur on Tuesday, prompting the police to inquire into the circumstances. A link between the deaths and the fogging has not been established. The Annur town panchayat had carried out mosquito-control fogging around houses in the locality. Some residents alleged that the pesticide used for fogging could have contributed to the deaths. The police are continuing their inquiry to ascertain the cause of death and whether there was any connection with the fogging operation.