BCL cadres at Mirjaganj Degree College physically assaulted the principal and three other teachers on the campus yesterday.

Police and college sources said, at about 1 lam a group of BCL cadres started leveling the playground of the college with the help of sand without any permission of the college authorities. At this, Krishnapada Mondol, principal asked them to stop the work. But the cadres continued the work ignoring the principal's order. When the principal rebuked them the cadres physically assaulted him. At one stage the principal tried to save himself by taking shelter in his room but the cadres attacked the room and damaged doors, windows and other furniture.

Three other teachers were also assaulted as they tried to resist the cadres. The teachers are

Moshiul Ajmal, Golam Kibria and Rashik Lal Das.

Finding no alternative the college authorities informed police and a team from Mirjaganj police station rushed to the spot and brought the situation under control. To avoid any further untoward situationauthorities also closedthecollegeontheday.

Contacted, Krishnapada Mondol, said that students were putting sand on the college field. Nobody should do that on the campus without prior permission from us, he added.

Abu Bakor, president of upazila BCL, also vice president of the upazila parishad, said they were leveling the field as they planned to organise a football tournament there. But it turned into a misunderstanding between us and the principal, he added.

Meanwhile, police picked up Sarwar, a BCL cadre at about 2pm from in front of the college on charge of his involvement in this connection.