China warns citizens about US travel risks, asks them to avoid Seattle airport after scholars with valid visas were questioned and denied entry. China has issued a fresh warning to its citizens travelling to the United States, advising them to exercise caution and avoid entering through Seattle-Tacoma International Airport after a series of incidents involving Chinese scholars.In a notice released on Thursday, China’s foreign ministry cited recent cases in which about 20 Chinese scholars were stopped by US Customs and Border Protection (CBP) officers at the Seattle airport, subjected to questioning, and ultimately denied entry.According to the ministry, the scholars…