A case has been filed against unidentified people over the murder of an Awami League politician and a female college student who were killed in the Shahjahanpur area on Thursday night. The deceased Zahidul Islam Tipu's wife Farhana Islam Doli filed a murder case with Shajahanpur police on Friday, said Monir Hossain Molla, officer-in-charge of the police station. Tipu had received death threats over the telephone four or five days ago, according to the statement. Earlier on Thursday night, Zahidul Islam Tipu, former general secretary of AL Motijheel police station committee, and Samia Afrin Priti, a 22-year-old student of Begum Badrunnesa Government College, were killed while his driver was injured when an assailant allegedly opened fire at them in the capital's Shahjahanpur area. Read: AL politician among two dead in Dhaka shooting The crime occurred in front of Islami Bank Hospital around 10.15pm when Zahidul was returning home in his car and Samia on a cycle rickshaw with her friend, police said. "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 three sustained bullet injuries and were soon rushed to Dhaka Medical College and Hospital, where Zahidul and the student died of their injuries hours later.