As the world marks the 80th anniversary of the first use of a nuclear weapon on the Japanese city of Hiroshima near the end of World War II, the planet is closer to seeing them used again than it has been in decades,

US tensions, Japan held a ceremony on Wednesday morning commemorating 80 years since the United States' atomic bombing of Hiroshima. Speakers warned the

HIROSHIMA, Japan (Reuters) -Exactly 80 years since an atomic bomb was used in war for the first time, thousands bowed their heads in prayer in Hiroshima on Wednesday, as the city'