Workers of a garment factory at Fatullah in Narayanganj blocked Dhaka-Narayanganj Link road on Thursday morning demanding payment of their dues.
Around 300-400 workers of Rupashi Garments took to the streets near Shibu Market area around 10 am and put up barricade on the road, halting traffic movement.
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Rakibuzzaman, officer-in-charge (OC) of Fatullah Model Police Station, said the agitated workers vandalised some vehicles plying the road when police tried to send them back to their workplace from the road.
A chase and counter-chase took place between police and workers when some workers hurled brick bats towards police, he said.
Meanwhile, around 15-20 workers were injured when police charged baton and opened fire and tear shells on the protesting workers to disperse them, alleged the workers.
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However, traffic movement on the road returned to normal around 2pm as police brought the situation under control, said the OC.