Movement along steep hillside in Brentwood causing concerns of a landslide

Authorities say there has been movement along a steep hillside that sits above homes in Brentwood causing concerns of a landslide. 

Views above the scene on N. Bundy Drive shows where a large piece of hillside appears to have slipped near a mansion.

Several fire crews spoke with homeowners down below and a geologist has also been called to assess the site. 

No evacuations have been ordered.