Donald Trump's campaign questioned those sums in its formal letter to the Federal Election Commission, arguing the LinkedIn post suggested Labour could be stumping up costs for the activists.Win McNamee/Getty Images

Donald Trump files legal complaint against UK Labour Party over help for Kamala Harris – POLITICO

· POLITICO

Updated Wednesday, October 23.

Donald Trump filed a legal complaint against Britain’s ruling Labour Party after its activists traveled to the U.S. to support his rival Kamala Harris. 

A U.K. Labour staffer revealed on LinkedIn last week that almost 100 party officials were heading across the Atlantic to campaign for the U.S. Democrats in key swing states, ahead of the Nov. 5 election.