The most-seen Puerto Rican flag is red, white and blue; however, the black-and-white flag was at the vendor stands at the festival on Parcel 5. One vendor told us it is a universal flag of protest.

The black and white flag with the blue stripe — which adopts the likeness of the American flag — does not violate the U.S. Flag Code. See the sources for this fact-check.

So I went online to find more information. The modern version of the black and white flag seems to trace back to someone named Andrew Jacobs who is president of Thin Blue Line USA, and who said in ...

Participants hold signs with the Puerto Rico's flag painted in black and white as symbol of resistance and civil disobedience during the NYC's 60th annual Puerto Rico Day parade on June 11, 2017 ...

A black-and-white American flag with a thin blue line across its center appeared among the Confederate flags toted by the white supremacists and neo-Nazis during the violent protests.

On Jan. 20, Anna Wang took to X (formerly Twitter) asking if anyone knew what the "black-and-white flag" on the front left of the limousine was that President Trump and former President Biden rode ...

The flags flown Friday looked like a black-and-white American flag white a blue stripe across the center. Here's an explainer on what they mean and where they came from. WHAT WE FOUND.