A four-year-old girl was allegedly strangulated to death after rape in Badda area on Sunday.
The identity of the diseased was not known immediately.
Police recovered the body from a house adjacent to Abul Hotel in Adarshanagar area in the evening.
Officer-in-charge of Badda Police Station MA Jalil said that the body bore strangulation mark on its neck and injury marks on both legs.
Police sent the body to Dhaka Medical College and Hospital for autopsy, he said.
They are primarily suspecting that the girl was raped and later strangulated to death, he added.