text_1: A video shows Londoners expressing support for the US President, following a June 2017 terrorist attack in the city
text_2: What's true: The video shows a small group of people in London chanting in support of Donald Trump. At least one of them is from London. What's false: The video was filmed in March 2017, has nothing to do with the June 2017 terrorist attack, and shows a small group of far-right extremists counter-protesting an anti-racism rally where thousands expressed opposition to Donald Trump and his policies.