Police arrested the general secretaries of Narayanganj metropolitan and district unit BNP ATM Kamal and Mamun Mahmud in the wee hours of Tuesday.
They were arrested from their residences in a case filed for obstructing government duty and attack on police, said Asaduzzaman, officer-in-charge of Narayanganj Sadar Model Police Station.
Police said, they obstructed BNP leaders and activists when they brought out a rally in the city on the occasion of Victory Day. At that time, two police officers were assaulted by BNP men.
Later, police filed a case over the matter.