Dhaka Metropolitan Police (DMP) detectives have arrested a second suspect in connection with the killing of an Awami League politician and a female college student in Shahjahanpur. The arrestee has been identified as Arfanullah Damal, said Rifat Mohammad Shamim, deputy commissioner of detective branch (Motijheel division). Following a tip off, a team from DB Motijheel division conducted a drive in the city’s Kamalapur area on Thursday night and arrested Arfanullah. "A gun has been seized from his possession," he told UNB. A case will be filed against Arfanullah under the Arms Act at the Motijheel police station, and he will be subjected to custodial  interrogation, post his production in a court, the deputy commissioner said. Also read: Shahjahanpur double murder: Prime accused put on 7-day police remand 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 cycle rickshaw, were killed in firing in front of Islami Bank Hospital. 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. Also read: Case filed over Shahjahanpur double murder The next 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. The next day, a Dhaka court placed Akash on a seven-day police remand for custodial interrogation.