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Czechs mourned the victims of the Czech Republic's worst mass shooting as police tightened security around schools and other public buildings across the country on Friday after authorities said a student gunman killed 14 people at a Prague university building on Thursday.
At the Charles University headquarters, crowds that included Prime Minister Petr Fiala and U.S. Ambassador Bijan Sabet paid tribute to the victims. Some knelt to light candles and lay flowers while others stood crying and hugging each other.