Canadian Prime Minister Justin Trudeau, facing the loss of his Parliamentary majority in an election next week, traded attacks with his main rival on Saturday as a bad-tempered campaign entered its last few days.

Boeing Co's board of directors and top executives from its airplanes division and supply chain were due to meet on Sunday in San Antonio, Texas, two days after the U.S. planemaker was plunged into a fresh crisis over its banned 737 MAX jet.

Prime Minister Boris Johnson sent an unsigned letter to the European Union requesting a delay to Britain's exit from the bloc and also said he did not want the extension after his latest Brexit setback in parliament on Saturday.

The collateral damage of the United States' trade wars is being felt from the fjords of Iceland to the auto factories of Japan.

China's top central banker said on Saturday that potential escalation of trade tensions and policy uncertainty were the major risk factors facing the world economy, and market forces were keeping China's yuan at an appropriate level.

U.S. presidential hopeful Bernie Sanders returned to the campaign trail in New York City on Saturday, three weeks after suffering a heart attack, and pledged to resume at full throttle his battle against the business and political establishment, including members of his own Democratic Party.

British Prime Minister Boris Johnson sent an unsigned letter to the European Union on Saturday requesting a Brexit delay alongside a separate note saying that he did not want an extension, a British government source said.

SoftBank Group Corp is attempting to become the majority owner of WeWork without assuming the onerous lease obligations of the U.S. office-space sharing firm, according to people familiar with the matter.

A defiant Prime Minister Boris Johnson said he would not negotiate a further delay to Britain's departure from the European Union after losing a vote in parliament on Saturday that means he is obliged to request a postponement.

President Tayyip Erdogan said on Saturday Turkey would press on with its offensive into northeastern Syria and "crush the heads of terrorists" if a deal with Washington on the withdrawal of Kurdish fighters from the area was not fully implemented.