This is a big problem in Canada with calls originating from India pretending to be Canada Revenue Agency and tricking the elderly or immigrant families into thinking their account is delinquent and an arrest warrant will be issued against them: https://www.cbc.ca/news/world/national-cra-india-rcmp-scam-1.4883796
https://www.cbc.ca/news/canada/newfoundland-labrador/police-investigating-td-bank-mount-pearl-1.3612816
Tech workers have fallen victim as well: https://www.cbc.ca/news/canada/british-columbia/vancouver-gift-card-scam-1.5400368
Thankfully the government is finally getting involved: https://www.cbc.ca/news/technology/crtc-call-blocking-1.5401057