Former Vice President Joe Biden's edge over rival Democratic Senator Bernie Sanders surged to 16 percentage points after Biden's upset victory in the 14-state Super Tuesday primary, a new poll by CNN showed on Monday

The calls by US Democratic senators for sanctions against Russia following reports alleging that the country is meddling in the 2020 presidential election are absurd, the head of the Russian lower house's foreign affairs committee, Leonid Slutsky, said on Tuesday