Yang Zhi-yuan, 32, is held in custody in Wenzhou, Zhejiang province, on suspicion of endangering national security, state media reports, after US House Speaker Nancy Pelosi’s visit to Taiwan.

Yang Zhi-yuan, 32, is held in custody in Wenzhou, Zhejiang province, on suspicion of endangering national security, state media reports, after US House Speaker Nancy Pelosi’s visit to Taiwan.