The arrestee was identified as Amjad Hossain, son of Aminul Islam of Raghunathpur Dangapara area of Parbatipur upazila of the district. Amjad went into hiding after the incident.
Mokhlesur Rahman, officer-in-charge of Parbatipur Police Station, said on secret information, a team of police conducted a drive at Tajhat of Rangpur city around 2:30pm and arrested him.
Abida Sultana Mim, three-and-half-year-old daughter of Ariful Islam, went missing on Saturday noon and later she was found dead around 8:30pm in the room of Amjad.
Amjad took the girl to his room alluring her to give chocolates. Later, he violated her and killed her. Then he kept the body in a sack under a table.
Later, police recovered the body.
Police also arrested Amjad’s grandmother Momina Bewa and uncle Shahinur Islam in connection with the incident.