One person was killed and 20 others injured as police allegedly opened fire at a crowd protesting the arrest of two people from a restaurant at Modonpur bus stand area in Narayanganj's Bandar Upazila.
The dead was identified as Ashiqur Rahman, 25, a garment worker and resident of Bandar upazila, eyewitnesses said.
According to locals, around six to seven police officers entered the Dreamland Restaurant near the area and detained Nur Nabi and Rifat, both aged between 22 and 25, around 6:30pm.
Both of them were ruling party activists, they said.
Soon after they were detained, locals and other party members protested and lay a siege on the restaurant.
They also engaged in a scuffle to take back the two men from police custody, Nusrat Jahan, an eyewitness, told this correspondent.
At one stage, police fired several shots to disperse the crowd, another eyewitness claimed.
Officer-in-Charge of Bandar Police Station Azharul Islam told The Daily Star that police went to the restaurant to arrest Nabi and Rifat, against whom arrest warrants for extortion charges had been issued. He also said police fired blank shots to disperse people.
Superintendent of Police in Narayanganj Harun-or-Rashid said he was not aware of any such casualty and was collecting information on the incident.