As Nagasaki marks the 80th anniversary of the U.S. atomic attack, survivors express enduring hope for a nuclear ban.

On the 80th anniversary of the US atomic bombing of Nagasaki, Mayor Shiro Suzuki warned on Saturday of an escalating threat of nuclear war, highlighting the ongoing dangers posed by global power confrontations.

NAGASAKI, Aug 9 (Reuters) - Thousands bowed their heads in prayer in Nagasaki on Saturday to mark the 80th anniversary of the city's atomic bombing, as the mayor warned that current global conflicts could push the world again into nuclear war.