When officers arrived at the scene, a perimeter was set up, and they attempted to contact the suspect multiple times but were unsuccessful.

The 21-year-old Midlothian man was arrested after bringing bomb-making components to a meeting with an undercover officer, the feds say.

Temperatures across the area dropped below freezing in the 30s and 20s, and winds from the northwest at 5-10 mph made it feel like the 20s and teens.