Ring, makers of video doorbells and home cameras, has just announced a new addition to its range: an outdoor siren. It doesn’t have a camera in it at all, but it could still be a significant addition ...

Workers have been busy around Duluth recently, erecting poles bearing sirens for the city's new emergency warning system. The 31 sirens replace a 36-siren system dating from the 1970s. The new sirens ...