Hong Kong's security minister on Wednesday warned that the city's protests against China's anti-virus restrictions were a “rudiment of another colour revolution” and urged residents not to participate in activities that might hurt national security. Chris Tang said some events on university campuses and the city's streets had attempted to incite others to target China's central government in the name of commemorating a deadly fire in the country's far west last week. “This is not a coincidence but highly organised,” he told reporters at the legislature. Protests erupted in major mainland cities over the weekend after the blaze that killed…