The statement said that "a purported ban on nuclear weapons that does not address the security concerns that continue to make nuclear deterrence necessary can not result in the elimination of a single nuclear weapon and will not enhance any country's security, nor global peace and security".
Some critics of the treaty, including the United States and its close Western allies, publicly rejected the entire effort, calling it misguided and reckless, particularly when North Korea is threatening a nuclear-tipped missile strike on American soil.
The agreement was signed on Wednesday in NY by more than 50 United Nations member states, but several nuclear powers, including the US, UK and France, boycotted the signing ceremony.
Other supporters of the International Campaign to Abolish Nuclear Weapons held a giant copy of the prohibition treaty under the watch of Australian Federal Police and security guards. More nations are expected to sign in coming days, with the treaty set to go into effect 90 days after it has been ratified by at least 50 nations.
Two dozen killed by Malaysia school fire
He said the bodies were being identified via DNA tests as they had been severely burned and it would take some time. Police said the dead were 21 students - all boys between the age of 13 and 17 - and two staff members.
"We call on member-states that possess the world's largest nuclear arsenals to sign the treaty", Cayetano said.
"We commit ourselves to continuing to work for a world free of the threat of nuclear weapons". It was adopted at the United Nations Conference on July 7, 2017. However, the world's nuclear powers - both official and unofficial - aren't quite as enthusiastic.
Armed conflicts were the main reason for the displacement crises, SIPRI said in its 48th edition of its annual yearbook. Tijjani Bande, said it was sad that "there were countries that still have nuclear weapons and refused to give them up".
Also speaking was Peter Maurer, president of the International Committee of the Red Cross, who said the organization received a cable from Hiroshima on August 30, 1945 describing a "city wiped out", a great number of dead and over 100,000 wounded.
NATO said the ban treaty risked undermining the NPT, which seeks to prevent the spread of atomic weapons but also puts the onus on nuclear states to reduce their stockpiles. So, what has obtained since the Second World War, is a philosophy of mutually-assured destruction, letting the other side know that if they attack you with nuclear weapons, that the result will be 'everybody will go'. But, after nearly a half-century of waiting for a nuclear weapons-free world to emerge, most non-nuclear nations are fed up with the nuclear monopoly of nine nations. More than 40 other countries signed it as well.