Four people, including two cops, were injured in a clash that ensued after fishermen allegedly attacked the police in the Padma River  in Bhola Saturday.

Police have detained 18 fishermen in connection with the attack so far.

Md Akhtar Hossain, officer-in-charge of Ilisha River Police Station, said being informed they conducted a drive in Char area under the Sadar upazila by a trawler around 5am.

Sensing the presence of the law enforcers, the fishermen, who were netting fish in the river, hurled brickbats targeting the cops when they were chased, he said adding that police retaliated with shotgun rounds, leaving four people including two sub-inspectors injured in the attack.

Read: Cops among 20 injured in attack by fishermen in Barishal

Later, a total of 18 fishermen were detained, 10,000 metres of current net and a fishing trawler were also seized, he said.

A case was filed in this connection, the OC added.