Suzuki singled out the Japanese government, demanding it uphold Japan's war-renouncing constitution, attend the Treaty on the Prohibition of Nuclear Weapons review conference later this year and stick to the three non-nuclear principles. Takaichi supports the first two principles of not possessing and developing nuclear weapons. The prime minister, who attended Sunday's ceremony, reiterated her policy of taking "a realistic and pragmatic approach" toward achieving a world without nuclear weapons. As she did in Hiroshima, Takaichi remained ambiguous about the three non-nuclear principles and only reiterated that Japan currently maintains the policy. Takaichi, in her speech at the ceremony, did not mention the Treaty on the Prohibition of Nuclear Weapons, which Tokyo has refused to sign because Japan is under the protection of the US nuclear umbrella.