Fresh claims follow allegations last year that the chair presided over a toxic workplace culture at the organisation

Klaus Schwab, founder of the World Economic Forum, whose annual gathering of business and political leaders in the Swiss mountain resort of Davos became a symbol of globalisation, has resigned as chair of its trustees.

The announcement came a day after the 87-year-old Schwab said he was resigning as chairman, effective immediately, without stating a reason. The Wall Street Journal, which first reported the probe, said an anonymous letter sent last week to the WEF's board raised concerns about its governance and workplace culture,