China has issued a warning to citizens entering the United States through Seattle-Tacoma International Airport following an incident involving 20 Chinese academics who were reportedly denied entry. The warning was issued via X. It stated that the group was subjected to "unreasonable questioning" before being denied entry into the US. The consular affairs office also noted repeated incidents at Seattle-tacoma airport involving "malicious inspections and harassment" targeting Chinese academics. The incident could have implications for U.S.-China relations and potentially impact future travel, including major international events.