NBA star Kevin Porter in police custody under suspicion of assaulting his girlfriend

NBA star Kevin Porter Jr. is in custody Monday at a New York City police precinct under suspicion of assaulting his girlfriend, two senior law enforcement officials told NBC News.

The Houston Rockets guard is currently in the 17th Precinct in Midtown Manhattan, and will be charged with assault and strangulation, sources said.

Porter, 23, allegedly attacked his girlfriend overnight at the Millennium Hotel Broadway Times Square. Porter’s girlfriend was hospitalized with at least one broken bone and bruising, according to the sources.

Hotel security alerted police. The incident began after both had been out, she later returned to the hotel room and he got locked out. That’s when the incident escalated, the sources said.

The Houston Rockets did not immediately respond to an NBC News request for comment.

This is a developing story. Please check back for updates.