Amber Alert for missing girl showed Alberta wireless emergency alert system worked

A wireless emergency alert about a missing girl that startled some Albertans on Sunday evening appeared seamlessly among cellphones, radio, television stations, apps and social media, said the Alberta government.
About five hours after someone stole a running vehicle from a North Battleford, Sask., strip mall with six-year-old Emma O’Keeffe in the back seat, RCMP decided to expand an Amber Alert to Alberta and Saskatchewan.
Phones across central and northeastern Alberta within range of a 4