NEW: Suspicious package investigation underway in Courthouse

2111 Wilson Blvd in Courthouse (via Google Maps)
(Update at 11:50 a.m.) Police and firefighters investigated a suspicious package in Courthouse this morning.
Emergency personnel were dispatched to a lower floor of the office building at 2111 Wilson Blvd shortly before 10 a.m. A larger bomb squad response was later requested to the scene.
Arlington County police said two floors of the building were evacuated and other occupants were being asked to shelter in place.CONTINUED: The investigation is