Mike Bloomberg seized on reports that Russia is interfering in the 2020 presidential election to help Democratic front-runner Bernie Sanders as the party's candidates met on the debate stage for what could be their final prime-time opportunity to change the direction of the nomination fight.
Mexico's Popocatepetl volcano erupted overnight with a dramatic show of lava and ash.
Airstrikes on rebel-controlled northwestern Syrian killed at least 16 people Tuesday, including two students and two teachers, opposition activists said, as government forces closed in on a town considered a symbol of the uprising against President Bashar Assad.
The European Union on Tuesday gave its chief negotiator a robust mandate for free trade talks with the United Kingdom, setting up a likely clash over the ex-member's demand to export to the continent on its own terms.
Shares in U.S. drug company Moderna Inc. surge by more than 16 per cent after the company announced it has shipped its first batch of a possible coronavirus vaccine for humans to the government department in charge of testing its safety and effectiveness.
