CNN Exclusive: Iran sealed uranium cache and placed mines amid fears of US operation to seize material

In recent weeks, Iran has dramatically escalated efforts to seal off its cache of near bomb-grade uranium, deliberately collapsing tunnels and booby-trapping entrances with explosive mines, according to five sources familiar with US intelligence. Getting to the roughly half-a-ton of highly-enriched uranium is now far more difficult, dangerous and time-consuming than it already was just … The post CNN Exclusive: Iran sealed uranium cache and placed mines amid fears of US operation to seize...