Elon Musk, the world’s richest man who is now central to Donald Trump’s election campaign, has been in regular contact with Vladimir Putin for the past two years, according to a report in the US.

The Wall Street Journal, citing several in-post and former US, European and Russian officials, reported that the conversations between the two men ranged from the personal to the geopolitical and included a request from the Russian leader not to activate his Starlink ​​satellite internet service over Taiwan as a favour to the Chinese leader and Putin ally, Xi Jinping.