By Trevor Hunnicutt and Ryan Patrick Jones WASHINGTON (Reuters) -Three of U.S. President Donald Trump's top aides will meet with their Chinese counterparts in London on Monday for talks aimed at resolving a trade dispute between the world's two largest economies that has kept global markets on edge.

U.S.-China trade talks in London this week are expected to take up a series of fresh disputes that have buffeted relations, threatening a fragile truce over tariffs. Both sides agreed in Geneva last month to a 90-day suspension of most of the 100%-plus tariffs they had imposed on each other in an escalating trade war that had