Miscreants hacked and injured imam of Ahmadiyyaa mosque in Iswarganj upazila of Mymensingh last night.
The victim, Mustafizur Rahman, 32, sustained injuries to his neck, back, hands and other parts of the body, said SM Azharul Islam, a doctor of Mymensingh Medical College Hospital where he was receiving treatment.
A group of four to five men attacked the imam at the mosque with sharp weapons after the Maghrib prayer, said Badrul Alam Khan, officer-in-charge of Ishwarganj police, quoting local people.
Hearing him screaming, people rushed to the spot, caught one of the attackers and beat him up before handing him over to police. The one held could not be identified yet, the OC said.
Police got both the imam and the attacker admitted to the hospital.
Ahmed Tabshir Chowdhury, national public relations secretary of Ahmadiyya Muslim Jamaat Bangladesh, alleged local religious fanatics might be behind the attack.
Unknown people had been threatening the imam in recent days, he said.