Police: Armed man holding some 20 people hostage in Ukraine

KYIV, Ukraine (AP) — Police say a man has seized a bus and has taken some 20 people hostage in northwestern Ukraine. Officers sealed off the center of Lutsk, a city 400 kilometers (250 miles) west of Kyiv, on Tuesday morning. The assailant is armed and carrying explosives, they said in a Facebook statement. Police officers are trying to get in touch with the man. They have already identified him and said that he expressed frustration with “Ukraine’s system” on his social