SAN BERNARDINO >> As if four years of drought, thousands of acres of decades-old brush and more than 25,000 acres up in smoke weren’t enough for entrenched fire crews, Southern California’s first major wildfire of the year brought a man-made hazard.

ABSTRACT: Due to increasing system sophistication and affordability, unmanned aircraft systems (UAS) are becoming more popular among hobbyists and businesses. UAS also pose a threat to homeland security as they could be used for nefarious activity such as preoperational surveillance or as weapons. Consequently, law enforcement officers and fusion centers have experienced an increase in.

Tourists spark security scare in Milan after crashing remote-control drone into famous cathedral

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