A portion of Hollywood's Young Circle was closed off Sunday morning after a man began throwing objects from a crane positioned next to a high-rise building.
Hollywood police arrived at the building, which is under construction, at about 4 a.m.
The man has screamed periodically at police and mentioned calling someone named Rachel.
Police are asking people to avoid the area of Young Circle from Van Buren Street to Tyler Street due to the ongoing incident.
Further information was not readily available.