Police have arrested another accused from Demra area of the capital in connection with the lynching of Dipu Chandra Das killing in Bhaluka upazila of Mymensingh district on December 18.
The arrested was Yeasin Arafat, son of Gazi Mia of Bhaluka upazila in Mymensingh district.
Tipped off, a team of police conducted a drive in Sarulia area of Demra on Wednesday afternoon and arrested Yeasin.
Yeasin went into hiding after the murder.
Abdullah Al Mamun, Additional Superintendent of Police, said Yeasin playedthe main role in gathering people with slogans at the gate of Pioneer Factory on the day of the incident.
After the killing of Dipu, he directly led the act of dragging the lifeless body by rope to the Square Masterbari area and burning it there.
So far, 21 people have been arrested in connection with the case.
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Among the detainees, nine have given confessional statements under Section 164 of the Code of Criminal Procedure in court.
Dipu Chandra Das, 28, a local garment worker, was beaten to death by a mob over alleged blasphemy in Bhaluka Upazila of Mymensingh district.