Residents in Riverside County captured mysterious lights in the sky that could be drones amid reports of sightings on the East Coast. Residents throughout the county reported spotting the unmanned aircraft systems (UAS), sparking concerns over who’s flying them and why. One resident in Hemet reported seeing three drones at about 6 p.m. Friday. Temecula resident Damon Angel said he’s seen them on three different nights throughout the week.