Israel, Iran trade strikes for a third day as nuclear talks called off

Israel unleashed airstrikes across Iran for a third day on Sunday and threatened even greater force as some Iranian missiles evaded Israeli air defences to strike buildings in the heart of the country. Planned talks on Iran's nuclear program, which could provide an off-ramp, were cancelled. The region braced for a protracted conflict after Israel's surprise bombardment of Iran's nuclear and military sites on Friday killed several top generals and nuclear scientists, and neither side showed any sign of backing down. Iran said Israel struck two oil refineries, raising the prospect of a broader assault on Iran's heavily sanctioned energy…