A worker was killed in a clash between workers of Uttara Export Processing Zone (EPZ) and joint forces in Nilphamari sadar upazila on Tuesday.
Police said workers of Evergreen factory, a wig-making factory, had been demonstrating for the last few days demanding their dues.
Tensions flared in the morning when the workers found a closure notice on the gate.
As police and army tried to disperse them a clash began around 8:30 am, leaving several workers injured.
One of them died on way to a hospital, said ACP AFM Tarique Hossain Khan.
Officer-in-Charge of sadar police station Md Sayed said they are not confirmed yet over the number of causalities.