Israel said on Wednesday that Iran has used its Parchin military base as the site for secret tests of technology that could be used only for detonating a nuclear weapon.

The Jewish state has been a severe critic of six big powers’ negotiations with Iran on restraining its nuclear program, suspecting Tehran is only trying to buy time to master sensitive nuclear know-how and would evade the terms of any final deal.

The Islamic Republic says allegations that it is seeking a nuclear weapons capability are false and baseless. Tehran says it is Israel’s assumed atomic arsenal that is a destabilizing threat to the Middle East. […]