Dhaka, Oct. 21 -- Severely injured Zobayed had sought help knocking on Barsha's door but she refused to assist and then he died due to excessive bleeding, said police.

Briefing reporters at DMP media centre on Tuesday, DMP Additional Commissioner (Crime & Operations) Nazrul Islam said Mahir and Barsha had been in a relationship for about one and a half years.

Later, Barsha developed a romantic relationship with Zobayed, which Mahir could not accept.

Following repeated disputes, Barsha instigated Mahir to kill Zobayed, he said.

Mahir then shared the plan with his friend Aylan and the two bought a switch-gear knife at Tk 500 from Bowbazar in South Keraniganj, he said.

"On the day of the incident, Barsha informed Mahir when Zobayed woul...