Calgary police have issued first−degree murder warrants for two people they believe were involved in the death of an officer during a traffic stop. Sgt. Andrew Harnett, who was 37, died on New Year’s Eve. Police say he had pulled over an SUV in the neighbourhood of Falconridge about 10:30 p.m. and was hit and dragged on the road when the vehicle took off. A second unrelated vehicle was also involved and may have come into contact with the officer on the road, said police. They added the driver of that vehicle stayed at the scene and is helping with the investigation. Police say paramedics and fellow officers tried to revive Harnett, but he died in hospital nearly an hour later. Officers are searching for Al−Azan Shah Muhammad, 17, and Amir Abdulrahman, 19, both of Calgary. Police say they applied to the courts to get permission to identify the younger …