[img_assist|nid=3157|title=James Frost|desc=News4 Photo|link=none|align=left|width=175|height=225]NBC/News4 reports that the Maryland State Police have arrested a 64 year old man in connection with threats against Gov. Martin O'Malley (D-Baltimore) and U.S. Senators Hillary Clinton (D-N.Y.) and Barbara Mikulski (D-Baltimore), as well as their "family and friends."

James Frost was arrested at around 10:30 a.m. yesterday at his home in Gaithersburg, a Washington D.C. suburb. He is currently being held at the Montgomery County Correctional Facility on charges of threatening to injure a public official.

According to NBC/News4, the state police learned of Frost's threats from the Montgomery County Sheriff's Office. His home is undergoing further searches.

The arrest came less than two hours before Arkansas Democratic Party Chairman Bill Gwatney was fatally wounded by a gunman in their Little Rock offices.