The arrest of Yaoning "Mike" Sun, 64, came at a time of rising concerns that the Chinese government has cultivated a network of operatives to influence local elections in the U.S. to install politicians who are friendly to Beijing and can help promote Chinese interests.

A Chinese national has been charged with acting as an illegal agent for Beijing when serving as the campaign manager for an unnamed local California politician.

China and India agreed on Wednesday to work on easing their long-running border dispute, as the two Asian giants resumed a formal high-level dialogue for the first time in five years.

China and India should maintain the momentum of high-level exchanges, China's Vice President Han Zheng told India's National Security Advisor Ajit Doval in Beijing on Wednesday, state media Xinhua reported.

China and India reached a six-point consensus following border talks between Chinese Foreign Minister Wang Yi and India's national security adviser Ajit Doval in Beijing on Wednesday. They agreed to "continue to take measures to maintain peace and tranquillity in the border areas and promote the healthy and stable development of bilateral relations",