Leaders of some of the world’s biggest economic powers will arrive in the Canadian Rockies on Sunday for a Group of Seven summit overshadowed by a widening war across the Middle East and U.S. President Donald Trump’s unresolved trade war with allies and rivals alike.

Rising tensions with Iran and fears of an Israeli strike prompted the U.S. to move some of its nonmilitary personnel out of the region.

The explosive conflict between Israel and Iran is roiling the Middle East – and raising questions about whether the world is moving ahead without the U.S. Colonel Jack Jacobs, Anthony Fisher, Pablo Torre,

The State Department told regional allies about Israel's plan to strike Iran, and indicated it wasn't a U.S. operation, four sources told CBS News.

The Israeli shekel suffered widespread selling on Friday along with some government bonds and equity markets across the Middle East after Israel launched missile strikes against Iran.