Bomb Threat Report Prompts Evacuation at 400 S. 4th St. in Downtown Las Vegas; Woman Arrested

A reported bomb threat and suspicious item investigation prompted the evacuation of a downtown Las Vegas office building Monday, as police blocked streets near the Regional Justice Center and later arrested a woman.

LAS VEGAS — A reported bomb threat prompted the evacuation of a downtown Las Vegas office building at 400 S. 4th St. on Monday, as police investigated a suspicious item nearby and later arrested a woman.

The Las Vegas Metropolitan Police Department responded at about 10:07 a.m. to a report of a suspicious item in a parking garage near 3rd Street and Clark Avenue, triggering a large police presence in the courthouse district and closures around the area, according to local reports.

Las Vegas News witnessed people being evacuated from the building at 400 S. 4th St., with video showing occupants leaving the building and walking across Bridger Avenue and 4th Street. Photos obtained by Las Vegas News also showed police patrol vehicles parked near the building and blocking part of 4th Street during the response.

In audio provided to Las Vegas News, a woman who identified herself as a worker at 400 S. 4th St. said occupants were told to evacuate the building.

Public reporting placed the center of the police investigation at a parking garage on 3rd Street between Clark and Lewis avenues, directly across from the Regional Justice Center. KTNV reported that a spokesperson for the City of Las Vegas confirmed the garage was shut down during the investigation.

FOX5 reported that a woman was arrested after allegedly making a bomb threat. As of Monday afternoon, police had not publicly released the suspect’s identity, possible charges or additional details about the item that prompted the response.

By shortly before 3 p.m., police said the investigation had concluded, and nearby roads began reopening. The parking garage also reopened, according to local reports.

Authorities had not announced that any hazardous device or explosive was found as of Monday afternoon.

Evacuation affected downtown courthouse district

The incident disrupted activity in one of downtown Las Vegas’ busiest government, legal and business corridors, affecting workers, visitors and drivers near 4th Street, Bridger Avenue, Clark Avenue and Lewis Avenue.

The area includes office buildings, public parking, court facilities and businesses serving people attending court proceedings or conducting business downtown.

The investigation remains ongoing. This story will be updated when additional information is released by authorities.