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.

Global air traffic has been disrupted following Israel’s strikes on Iran Friday, with several major airlines suspending flights to and from locations in the Middle East and rerouting their planes to avoid much of the region’s airspace.

Traders on Friday exchanged the most $80 West Texas Intermediate (WTI) crude oil call options since January, expecting more upside to prices after Israeli airstrikes on Iran sparked fears of a wider Middle East conflict.

President Donald Trump has repeatedly demanded the Federal Reserve slash interest rates. But Fed officials have stood pat, waiting to see how his administration’s sweeping policy changes affect the economy first.

LONDON (Reuters) -Britain is moving additional military assets, including fighter jets, to the Middle East to provide support across the region, Prime Minister Keir Starmer told reporters on Saturday as he was en route to a Group of Seven meeting in Canada.

Gold prices climbed on Friday to their highest point in more than a month, on track for a weekly gain, as investors sought safe-haven assets after Israel's strike on Iran heightened Middle East tensions.