Building engineers secured a cracked window at a high-rise in San Francisco's Financial District Tuesday, according to the fire department.
No glass fell from the building at 350 Mission St., the fire department said.
Just after 9 a.m., the city's Department of Emergency Management instructed the public to avoid the area. The alert was lifted roughly four hours later.
Further information wasn't immediately available.
Get a weekly recap of the latest San Francisco Bay Area housing news. >Sign up for NBC Bay Areaβs Housing Deconstructed newsletter.