CALGARY—A regimental funeral for a Calgary police officer killed in the line of duty is to be held this afternoon in the city and a procession following the service is to include a flypast by two CF-18s. Officials say that due to COVID-19 restrictions only people who have been invited can attend the 1 p.m. service to honour Sgt. Andrew Harnett. The Calgary Police Service has been granted an exemption from Alberta Health to allow 50 people to take part in the ceremony. The service says it comes with a set of strict protocols and stringent oversight by health officials. Harnett died on New Year’s Eve after he was struck by a vehicle during a traffic stop, and two people have been charged with first-degree murder in his death. The 37-year-old leaves behind his wife, Chelsea, who is to give birth to their first child in the summer. Police say …