Three women suffered burn injuries in a petrol bomb attack on a passenger bus in Bogura on Wednesday, just after the verdict in August 21 grenade attack cases.
The police held Nur Mahmud, assistant agricultural affairs secretary of local Jubo Dal, from the spot.
The incident happened at Sazapur Radhaghat area under Shahjahanpur upazila this afternoon.
Zia Latiful Islam, officer-in-charge of Shahjahanpur Police Station said Mahmud threw petrol bombs at a bus of 'Nabil Paribahan' when it reached in Sajapur area at about 2pm, leaving three women injured.
Injured Anjuara Begum,50, wife of Mozammel Haque in Sadar upazila of Nilphamari, Munira Begum, 40, wife of Nazrul Islam of Shimulia village and Shamima, 27,daughter of Shamsul Haque from Tangail.
They were admitted to Bogura Shaheed Ziaur Rahman Medical College Hospital.