JERUSALEM (Reuters) – Israel on Saturday dismissed as “irrelevant” reports that Iran had halted its most sensitive uranium enrichment activity, and said Tehran’s nuclear program must be dismantled. A senior member of Iran’s parliamentary national security commission was quoted as saying Iran had stopped refining uranium above the 5 percent required for civilian power stations, as it already had all the 20-percent enriched fuel it needed for a medical research reactor in Tehran. But diplomats accredited to the U.N. nuclear watchdog said they had no confirmation Iran had halted enrichment of uranium to 20 percent – a sensitive issue because it is a relatively short technical step to increase that to the 90 percent needed to make a nuclear warhead. “The discussion on whether or not Iran has ceased 20 percent enrichment is irrelevant,” said an Israeli official. Israel fears its arch enemy Iran is developing atomic weapons capability, […]