Bomb Threat At 14th Street Northwest And K Street Northwest

Kyle Mazza bomb threat police response heavy police presence armed officers law enforcement investigation 14th Street Northwest K Street Northwest Washington D.C. security incident emergency response urban security police with rifles city streets crime scene investigation public safety tactical police units downtown Washington DC authorities on scene perimeter security March 13 2026 bomb threat 14th Street Northwest K Street Northwest Washington D.C. March 13 2026 police presence armed officers heavy weapons scene investigation Kyle Mazza NurPhoto security measures law enforcement emergency response public safety threat assessment urban area crime scene street closure crowd control tactical units explosive detection incident response metropolitan area safety protocol police operation threat neutralization law enforcement strategy public alert security perimeter federal authorities.