New report reveals Israel may be preparing a strike on Iran's nuclear facilities following U.S. intelligence showing increased military activity.

As US-Iran nuclear talks falter over enrichment, Israel is reportedly readying for a potential swift and sustained military campaign against Iranian nuclear facilities. Israeli intelligence now believes a deal is unlikely,

Iran’s nuclear facilities are deep underground and heavily fortified. An effective attack by Israel would require U.S. assistance for both mid-air refueling and munitions, according to the February intelligence report.