An armed man was barricaded in a building in the downtown Los Angeles area Friday, and a SWAT team was working to take him into custody, police said.
Officers went to the 600 block of South Spring Street to serve a warrant about 3 a.m., the Los Angeles Police Department reported.
The standoff was continuing more than four hours afterward, police said. No injuries were reported. Traffic was routed away from the area as a precaution.