Ella Martins

A black-and-white American flag with one blue stripe, also known as a ‘thin blue line’ flag, was displayed behind the stage of President Donald Trump’s rally at Waukesha County Airport, Wisconsin on Oct. 24 .Some users on social media are claiming this flag, used as a symbol of solidarity for the police by some but holding a racist subtext for others, was displayed instead of the American flag.

A black-and-white American flag with one blue stripe, also known as a 'thin blue line' flag, was displayed behind the…