San Francisco 49ers linebacker Reuben Foster was arrested Sunday for charges of domestic violence and possession of an “assault weapon.”

The San Francisco Chronicle quotes a press release from the Los Gatos-Monte Sereno Police Department which indicates that 23-year-old Foster “was arrested without incident in Los Gatos after police received a call around 9:15 a.m. about a disturbance.” He was released at approximately 6:35 p.m.

The Mercury News’ Robert Salonga reported Foster allegedly possessed an “assault rifle”:

BREAKING: On top of domestic-violence allegation, @49ers linebacker Reuben Foster was arrested booked on suspicion of possessing an assault rifle@mercnews — Robert Salonga (@robertsalonga) February 12, 2018

The Mercury News indicates that Foster is alleged to have assaulted his “longtime girlfriend.” They report that “that police found a single SIG Sauer 516 short-barreled rifle” in the residence.

The 49ers released a statement on Foster’s arrest:

Statement from #49ers on arrest of Reuben Foster: “The San Francisco 49ers organization is aware of the report regarding Reuben Foster. We take matters of this nature seriously and are gathering all pertinent information.” — Eric Branch (@Eric_Branch) February 12, 2018

Foster was also arrested Tuscaloosa, Alabama, on January 12 for marijuana possession.

Prior to both arrests, Foster drew attention to himself via participation in a national anthem protest. On October 22, 2017, the Sacramento Bee’s Matt Barrows reported that Foster was one of eight 49ers to kneel “during the national anthem”:

Reuben Foster among the eight #49ers who took a knee — hand on heart — during national anthem. — Matt Barrows (@mattbarrows) October 22, 2017

AWR Hawkins is an award-winning Second Amendment columnist for Breitbart News, the host of the Breitbart podcast Bullets with AWR Hawkins, and the writer/curator of Down Range with AWR Hawkins, a weekly newsletter focused on all things Second Amendment, also for Breitbart News. He is the political analyst for Armed American Radio. Follow him on Twitter: @AWRHawkins. Reach him directly at awrhawkins@breitbart.com. Sign up to get Down Range at breitbart.com/downrange.