-- The FBI served a search warrant at a mansion in Beverly Hills Tuesday morning, reportedly in connection with an investigation into former Rep. Eric Swalwell.

The law enforcement activity unfolded on Roxbury Drive near Benedict Canyon Drive around 7 a.m. The FBI confirmed the search but says the court documents are sealed.

Our sister station KABC-TV in Los Angeles has learned it is related to an investigation into Swalwell but additional details about what the search entails were not available.