President Joe Biden has formally apologized to Native Americans for the “sin” of a government-run boarding school system that for decades forcibly separated children from their parents, calling it a “blot on American history” in his first visit to Indian Country.

President Joe Biden formally apologized on Friday for the U.S. government's role in running abusive Native American boarding schools for more than 150 years, and was heckled at the event over his support for Israel's war in Gaza.

Standing solemnly in front of a crowd full of Indigenous people on the grassy field of a tribal elementary school near Phoenix, President Joe Biden issued a formal apology to Indigenous communities across the country for the role the United States government had in the Native American Boarding School system,