Calgary police investigating 28 extortion incidents targeting South Asian community  CTV NewsCalgary police investigate 2 extortion-related shootings over the weekend | Globalnews.ca  Global NewsVideo appears to show shots being fired into Calgary home  CityNews CalgaryCalgary police investigating two more extortion-related shootings targeting South Asian community  Calgary Herald2 recent shootings believed to be connected to South Asian extortion, Calgary police say  CBC