Nagasaki is marking the U.S. atomic attack on the southern city 80 years ago, with survivors determined to make their hometown the last place on earth hit by the bomb.

On the 80th anniversary of the US atomic bombing of Nagasaki, the city's mayor warns that humanity faces an "imminent existential crisis."

NAGASAKI] Thousands bowed their heads in prayer in Nagasaki on Saturday (Aug 9) 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.