Arianna Huffington, who co-founded the liberal news website Huffington Post 11 years ago, has announced she is to step down as editor-in-chief.

HUFFINGTON Post founder Arianna Huffington is stepping down as editor-in-chief to launch a non-profit group focused on health and wellness.

US telecoms giant Verizon Communications is to buy Yahoo's search and advertising operations for $5bn (£3.8bn), according to media reports.