Ahmmed Tayebur Rahman Hiron, chairman of Gouripur upazila parishad in Mymensingh, has been arrested in a case filed with Purbadhala Police Station over arson attack. Hiron is also the joint convener of Mymensingh district unit (north) of Bangladesh Nationalist Party (BNP). A team of police arrested him in front of the upazila parishad office while he was returning to his home on Tuesday night. Delwar Ahmmed, officer-in-charge of Gouripur Police Station, confirmed the matter to the Jagonews24.com.