The allegation surfaced after Newsom criticized European leaders’ responses to President Donald Trump’s policies.

Donald Trump has arrived in Switzerland to address the World Economic Forum, as tensions grow between the US and Europe over his threats to seize Greenland.

President Donald Trump spoke to the rich and powerful at Davos, addressing topics ranging from Greenland to the stock market to the new Fed chair.

California Gov. Gavin Newsom (D) was denied entry to the USA House in Davos, Switzerland, where he was invited to speak during the World Economic Forum. “Under pressure from the White House and

Protesters in Switzerland burnt American flags in demonstrations against President Donald Trump's trip to the World Economic Forum (WEF) in Davos. Trump is in Davos to address the WEF amid tensions about his push to acquire Greenland and subsequent threats of tariffs on U.S. allies that oppose his plans.

President Donald Trump's Davos forum speech isn't expected to be delayed despite his late arrival in Switzerland after a small electrical issue aboard Air Force forced a return to Washington to swap aircraft.

The surreal clamor over Greenland provoked by Trump has shadowed proceedings in Davos, heightening fears of an emerging rupture between the U.S. and Europe.

Newsom was set to talk with Fortune today at an event about U.S. innovation put on by USA House — the country’s official headquarters at the Switzerland event — but his appearance was canceled at the last minute.