A prominent leader of Maulana Saad's faction, Shafiullah has been arrested in connection with the clashes at the World Ijtema ground in Tongi, which resulted in fatalities.
Shafiullah is the 9th accused in the Tablighi Sathi murder case.
He was arrested on the night of Saturday, in the Shariatpur district.
Confirming the arrest, Officer-in-Charge (OC) of Tongi West Police Station, Iskandar Habibur Rahman, said that the police in Tongi West, in collaboration with the local police of Shariatpur Sadar, arrested him.
He was captured at around 9:15pm from the Stadium Road area in Palong, Shariatpur.
Later that night, Shafiullah was brought to Tongi West Police Station.
The arrest has been confirmed by Habibullah Raihan, the media coordinator of the Tablighi Jamaat Bangladesh Shura Nizam.