GREENFIELD, Calif. -

Greenfield police arrested a Salinas man early Thursday morning on multiple charges of sex assault involving a child.

Officers executed an arrest and search warrant at the home of Oscar Lucas just before 8 p.m. 

Lucas, 20, was arrested on suspicion of aggravated sexual assault with a child under 14, rape, lewd and lascivious acts with a child under 14, making criminal threats, annoying and molesting a child, false imprisonment and multiple counts of penetration with a foreign object.

Greenfield Police were assisted by the Monterey County Joint Gang Task Force and a parole agent from the California Department of Corrections and Rehabilitation.

Evidence collected during the search resulted in an additional charge for possession of child pornography.

Greenfield police say the investigation is ongoing and anyone with additional information is asked to contact Detective Rey Medeles at 760-6277 or call the WeTip Anonymous hotline at (800) 782-7463.