Iran has warned it will ramp up its nuclear activities after the United Nations nuclear watchdog’s 35-member board of governors adopted a resolution Thursday declaring it in breach of its non-proliferation obligations.

The decision comes as officials say they believe that Israel is preparing to launch a military attack on Iran. Tehran condemned the vote.

VIENNA (AP) — Iran said it has built and will activate a third nuclear enrichment facility, ratcheting up tensions with the U.N. on Thursday immediately after its atomic watchdog agency censured Iran for failing to comply with nonproliferation obligations meant to prevent it from developing a nuclear weapon.