Kevin McGowan, head of L.A. County’s Office of Emergency Management, declined to answer questions about how much training ...

According to the report released Monday, additional funding and oversight of wireless alert systems is needed to prevent future errors.

New soil testing has found high levels of lead in the soil at wildfire-destroyed homes that federal cleanup crews had ...

The alerts were intended for a small group of residents near Calabasas, but stoked panic and confusion as they were blasted ...