A data analysis firm employed by President Donald Trump’s 2016 campaign tapped the Facebook profiles of more than 50 million users without their permission, allowing it to capitalize on the private social media activity of a large portion of the US electorate, newspapers report.

One does not need to be particularly good at hearing to decipher the dog whistles being used during this year's election campaign in the United States.

US Democratic hopeful Bernie Sanders has hit back after Republican front-runner Donald Trump said he had sent protesters to disrupt his rallies.