A bomb attack in Colombia kills 14 and injures 38 as violence surges ahead of the presidential election scheduled for May 31.
Read moreNorth Korea conducts several missile tests, challenging diplomatic overtures from South Korea while asserting military strength.
Read moreShigeaki Mori, Hiroshima atomic bomb survivor and historian, passes away at 88, renowned for his touching moment with Obama.
Read moreNew video evidence suggests a U.S. missile strike may have caused an explosion at an Iranian school, resulting in over 160 deaths.
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