Washington, Nov 4: Before embarking on his first official visit to Asia, US President Dold Trump flew to Hawaii, where he and First Lady Melania Trump visited Pearl Harbor, the site where American forces came under surprise attack from the Japanese in 1941. Trump will reach Japan on Sunday, the first stop on the five-tion, 11-day trip during which he will also visit South Korea, Chi, Vietm and the Philippines. His tour comes at a time of heightened tensions with North Korea over its nuclear programme and missile tests.