Minnesota’s patchwork of emergency systems issued two alerts in two days — but on different timelines and terms.

The minute anyone steps onto the campus of Heritage High School in Leesburg, Virginia, a camera spots them. More than 60 cameras keep watch outside the school, in the hallways, in stairwells, at the ...

From Default Alerts, you can preview and select familiar-sounding alerts, like Tri-tone, or explore older tones (like Bell) by tapping Classic near the bottom of the menu. You can also choose None, ...