Democrats to push ahead with virtual roll call at convention, Harris favoured

Kamala Harris speaks at her campaign headquarters (Erin Schaff/The New York Times via AP)

The Democratic Party plans to push forward with a virtual roll call in which delegates to its convention can choose a presidential nominee.

The virtual vote will come before they meet in person next month in Chicago, with vice president Kamala Harris heavily favoured now that President Joe Biden has abandoned his re-election bid.