UNITED NATIONS (AP) — The U.N. General Assembly has overwhelmingly approved a resolution calling on Israel to quickly open its nuclear program for inspection and backing a high-level conference to ban nuclear weapons from the Middle East which was just canceled.

All the Arab nations and Iran had planned to attend the conference in mid-December in Helsinki, Finland, but the United States announced on Nov. 23 that it wouldn't take place, citing political turmoil in the region and Iran's defiant stance on nonproliferation. Iran and some Arab nations countered that the real reason for the cancellation was Israel's refusal to attend.

The resolution, approved Monday by a vote of 174-6 with 6 abstentions, calls on Israel to join the Nuclear Nonproliferation Treaty "without further delay" and open its nuclear facilities to inspection by the International Atomic Energy Agency. Those voting "no" were Israel, the U.S., Canada, Marshall Islands, Micronesia and Palau.

Resolutions adopted by the 193-member General Assembly are not legally binding but they do reflect world opinion and carry moral and political weight.

Israel refuses to confirm or deny it has nuclear bombs though it is widely believed to have a nuclear arsenal.