Detectives arrested a youth, said to be the driver of an MP, from Sankipara area in Mymensingh early yesterday in connection with the killing of a schoolgirl.
The arrestee was identified as Shahjahan Habib Munna. He is a resident of the area and also a cousin of the victim.
District Detective Branch OC Imarat Hossainh Gazi said a team of the Detective Branch of police conducted a drive in the area in the early hours of the day and arrested Shahjahan Habib Munna.
Victim's family members said Munna used to harass Nadira Akhter, a Class-III student of Zila Parishad School. The victim is the and daughter of van driver Yunus Ali of Gonshar Mor area in the town.
Following repeated harassment, Nadira's family had forbidden Munna to visit their house.
Angered at the prohibition, the youth dragged Nadira into his vehicle while she was returning from her school on Thursday.
Later, Munna stabbed and slaughtered Nadira and dumped the body in Badekalpa area.
Police later recovered the body from the area on Thursday afternoon.