A 78-year-old man with dementia who had been missing for about three hours was found within minutes after authorities launched a drone equipped with heat-detecting technology over Malibu.

The Los Angeles County Sheriff’s Department’s Malibu Search and Rescue Team sprung into action to locate the 78-year-old who suffers from early-onset dementia, according to an Instagram post.

As officials continued their search and recovery operation after an American Airlines regional jet collided with a military helicopter while preparing to land at Ronald Reagan National Airport ...