The Cuddalore New Town police probing the sexual assault and murder of a three-year-old girl in Tiruvannamalai have arrested two persons, including the victim’s mother in connection with the case.

According to police, the victim’s mother had moved with her three children to her cousin’s house in Tiruvannamalai recently. The incident took place on June 17. The victim’s mother claimed that the child had fainted in a relative’s house at Tiruvannamalai and took her to a primary health centre in Tindivanam where doctors pronounced her dead on arrival.