Detectives have arrested two more suspects over the murder of an Awami League leader and a female college student in Shahjahanpur area of the capital on March 24 this year.

The arrestees were identified as Shortgun Shohel, 38, and Masum Reza, 40.

Police made the arrest after conducting drive in the city’s Motijheel area Sunday night, said Additional Deputy Commissioner (DB-Motijheel zone) Rafiqul Islam.

Earlier on Saturday, DB police arrested four more suspects from different areas of the city. The arrestees were- Mahbubur Rahman Titu, Zuber Alam Khan Robin, Arifur Rahman Sohen and Khairul Islam.

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On Sunday, a Dhaka court placed the four on a two-day remand each.

On the night of March 24, AL politician Zahidul Islam Tipu, who was on a microbus, and Samia Afrin Priti, a 22-year-old college student, who was returning home on a rickshaw, were killed in firing in front of Islami Bank Hospital at Shahjahanpur in the city.

Tipu was a former general secretary of the AL Motijheel committee and Priti was a student of Begum Badrunnesa Government College. Tipu’s driver was also injured in the firing.

They were all stuck in a traffic jam in the area when a biker wearing a helmet and a mask appeared from nowhere and fired at them.

The following day, a case was filed against unidentified people over the double murder.

On March 27, police arrested Akash, 34, the prime accused in the double murder case, from Bogura district.

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On March 31, Dhaka Metropolitan Police (DMP) detectives arrested Arfanullah conducting a drive in the city’s Kamalapur area.

On June 9, Sumon Shikdar Musa, the mastermind of Tipu murder, was brought back home from Oman.

According to the DB police, Musa went to Dubai on March 12 after hiring one Shamim Molla to kill AL politician Zahidul Islam Tipu. Later, he fled to Oman.

Following interrogation, police came to know that Musa was the mastermind of the murder and Arfan, Shamim and Manik were involved in the killing.

Shamim, who directly took part in the murder, fled to Bhutan after the murder.