PORT-OF-SPAIN, Trinidad (AP) — The U.S. Embassy in Trinidad and Tobago cautioned Americans on Saturday to stay away from American government facilities on the twin-island nation. It was an unusual warning that came as tensions grow between the United States and Venezuela over deadly U.S. strikes in Caribbean waters targeting suspected drug traffickers. Venezuela is located just miles away from Trinidad, where people in one community are mourning the disappearance of two local fishermen believed killed in a U.S. strike on Tuesday.