The IAEA is looking into Iran's report that its Natanz nuclear site was hit in strikes. Human rights groups say they fear Iran will carry out mass executions.
In an alarming escalation during the U.S. war with Iran, nuclear sites have been targeted after Iran says a uranium enrichment complex was attacked. In response, an Iranian missile struck a town in Israel that's home to a major nuclear facility, injuring dozens of people. NBC News' Raf Sanchez reports from Beirut.
