Incident could indicate an increasingly chilly reception for some American visitors . The U.S. Embassy in Moscow said it was aware of the incident and is working with local authorities to investigate it. Cuban authorities put five back on plane to Mexico ; rest spend night on airport floor . `` We 're upset because of the treatment , but ultimately , we want the policy to change , '' she said . In another recent incident , an American contractor was detained .
Incident could indicate an increasingly chilly reception for some American visitors . The U.S. Embassy in Moscow said it was aware of the incident and is working with local authorities to investigate it. Cuban authorities put five back on plane to Mexico ; rest spend night on airport floor . In another recent incident , an American contractor was detained .