SAN MATEO (KRON) — Police are outside of a San Mateo residence with their guns drawn Friday morning.
Police activity is focused on a residence located in the 1600 block of Celeste Drive.
The street is closed off to the public at this time, and police tactical units have responded to the scene.
What prompted the heavy police presence is unknown at this time.
Video from the scene shows several officers pacing through yards with their guns drawn and at least one neighbor was seen being evacuated from his home.
Stay with KRON 4 News for updates on the developing story.