Israel told the U.N. nuclear watchdog on Friday it would prefer a diplomatic resolution to the standoff over Iran's nuclear programme but it could take independent action, reiterating a long-standing veiled threat to launch a preemptive war.
The warning to visiting International Atomic Energy Agency chief Rafael Grossi followed calls by Western powers on the IAEA Board of Governors to rebuke Tehran for failing to answer questions on uranium traces at undeclared sites.
