Police Bureau of Investigation (PBI) on Friday arrested a man for his alleged involvement in kidnapping and murdering a seven-year-old girl 10 days after she went missing in the city.

Illias Khan, PBI inspector in Chattogram, said that Abir Ali, an ex-tenant of the victim’s family, abducted the girl on November 15 for ransom on her way to a mosque where she used to learn Arabic at Bandartila area in Chattogram.

Ali strangled the girl to death and later he chopped her into six pieces after taking to a residence on Akmal Ali Road in the city. He subsequently dumped the body wrapped with two bags at a beach in the city’s Kattali area, the PBI officer said.

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“We are trying to recover the body from the beach and seize the sharp weapons used in the killing,” he said.

The victim’s father, Sohel Rana, lodged a general diary at the local police station after she went missing, police said.