US Secretary of State Mike Pompeo said on Friday the United States is deeply concerned about 12 Hong Kong democracy activists being held in China's Guangdong province, saying they have been denied access to lawyers and local authorities have not provided information on their welfare or the charges against them.

The United States questions the Hong Kong leadership's commitments to protecting citizens' rights, Pompeo said in a statement. The activists were arrested about two weeks ago off the coast of Hong Kong, according to the statement...