A case was filed on Sunday against 200 people in connection with staging demonstrations at Ajimnagar railway station, vandalizing the station and assault on the station master.
Among the accused, four people were arrested, said Mihir Ranjan Deb, officer-in-charge of Ishwardi GRP police station.
Assistant station master Aminul Islam filed the case naming four people including the convenor of the protest Nadim Alam.
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Protesters blocked the rail line demanding a stoppage of the newly inaugurated Chilahati Express train at Natore’s Ajimnagar station on Sunday.
During their protest, the Tungipara Express train didn’t stop and the agitated protesters vandalized the railway station.
The arrestees will be produced before the Pabna court, said the rail police.