A Global Web of Chinese Propaganda Leads to a U.S. Tech Mogul

The protest in London’s bustling Chinatown brought together a variety of activist groups to oppose a rise in anti-Asian hate crimes. So it was peculiar when a street brawl broke out among mostly ethnic Chinese demonstrators.

Witnesses said the fight, in November 2021, started when men aligned with the event’s organizers, including a group called No Cold War, attacked activists supporting the democracy movement in Hong Kong.

On the surface, No Cold War is a loose collective run mostly by American and British activists who say the West’s rhetoric against...