Police on Wednesday arrested a young man from a madrasa in Ramganj upazila for posting derogatory comments about Prime Minister Sheikh Hasina and the Father of the Nation Bangabandhu Sheikh Mujibur Rahman on his Facebook wall.

The arrestee Mamun Pandit, 27, was a computer operator of Fatehpur Madrasah.

Police said Mamun recently was making derogatory comments about the PM and the Father of the Nation Bangabandhu Sheikh Mujibur Rahman and posted it on his Facebook page.

Angered by the incident, local activists of Bangladesh Chhatra League besieged the madrasah in the afternoon.

On information, police went to the spot, arrested Mamun and brought the situation under control, said Tota Mia, officer-in-charge of Ramganj Police Station.