High-level delegations from the United States and China are meeting in London to try and shore up a fragile truce in a trade dispute that has roiled the global economy.

Oil prices climbed on Tuesday as investors awaited the outcome of U.S.-China talks that could pave the way for easing trade tensions and improve fuel demand. Brent crude futures rose 28 cents, or 0.4%,

A new round of trade negotiations between the United States and China has started in London, with both sides trying to preserve a fragile truce brokered last month.