LIBERTY — Police from several agencies are in a standoff with a man and a woman who are in a room at the Holiday Inn Metroplex. Details are sketchy at this time, but police say Bobby Mock, 40, and a woman are holding police at bay. Police didn’t identify the woman. Police said they believe Mock is armed, but they didn’t say the type of weapon. Police wouldn’t say where in the hotel the two are holed up. Captain Richard Tisone of the Liberty police said Mock has been making a variety of demands, such as requests for drinks. The confrontation began at about 1:30 a.m. today when police went to the hotel with warrants for Mock and for Brian Simeone, 33. Police haven’t said what the warrants were for. They did not give addresses for Mock and Simeone. No one has been injured. There are police at all entrances to the hotel and there is a sniper on the roof. In addition to Liberty police, officers from Youngstown, Ohio State Highway Patrol, Austintown, Warren and the Trumbull County Sheriff’s Department are on the scene.