Bells rang across the Czech Republic on Saturday and flags flew at half mast as the country mourned victims of the country's worst mass shooting that killed 14 at a Prague university on Thursday. Archbishop Jan Graubner served a mass at the main St. Vitus cathedral at the Prague Castle and the country observed a minute of silence at noon, with people stopping in streets amid heavy rain and snow, and in malls during Christmas shopping. A 24-year old student went on a shooting rampage at the Charles University's Faculty of Arts in downtown Prague on Thursday, killing students and lec...