A multi-agency law enforcement operation led by the Texas Rangers served a search warrant at a Pleasanton home early Friday morning as part of an ongoing child pornography investigation, authorities said.

Law enforcement officers and patrol vehicles remain stationed behind police tape outside a residence in the 500 block of Waco Street in Pleasanton on Friday, Oct. 30.

The Texas Rangers, alongside local, state and federal agencies, executed an early morning search warrant at the home as part of an ongoing child pornography investigation.