A 22-year-old photographer was stabbed to death over an old enmity in the Chandrima Housing area of Cox's Bazar town Sunday, police said.
The deceased was identified as Mohammad Yusuf of the area. He was a beach photographer.
On information, police detained Sohel, 25, from the scene, Md Rafiqul Islam, additional superintendent of Cox's Bazar police, said.
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Syed Ahmed, the brother of the deceased, said a few days ago, Yusuf had a dispute with Sohel over a trivial incident, "which led to the stabbing today."
"The angry mob was not going to let Sohel get away with it when the police arrived at the scene. Two police officers suffered serious injuries in a scuffle with agitated people. They were taken to Cox's Bazar Sadar Hospital," he added.