Reuters reports Guterres, a former Socialist Party prime minister in his native Portugal, used an address to the U.N. Human Rights Council to call for a global coordinated crackdown:

“White supremacy and neo-Nazi movements are more than domestic terror threats,” the veteran left-wing diplomat said. “They are becoming a transnational threat. Today, these extremist movements represent the number one internal security threat in several countries.”

https://www.breitbart.com/politics/2021/02/22/u-n-chief-guterres-warns-white-supremacy-is-a-transnational-threat/