Josh Giddey is being investigated by Newport Beach, California police on allegations he was involved in an improper relationship with an underaged girl, according to a statement from police chief Joseph L. Cartwright released Wednesday.

In a since-deleted post, an anonymous social media user said a girl who is seen with Giddey in videos and photographs was a high school junior at the time. The social media account has since been deactivated.

"The Newport Beach Police Department is aware of information being circulated online involving an alleged relationship between professional basketball player Josh Giddey and a female minor," the statement read, in part. "The Newport Beach Police Department is actively seeking additional information related to these allegations and pursuing all leads and evidence to obtain the facts of the case.

"The Newport Beach Police Department aims to ensure a fair and thorough investigative process while maintaining the privacy and dignity of everyone involved. At this time, NBPD Detectives are still conducting an active investigation."

The NBA is also investigating the allegations.

Giddey has remained in the lineup of the Oklahoma City Thunder while the investigations are ongoing.