By Philip Delves Broughton in New York 06 July 2000 • 12:00am THE QE2 collided with a Japanese warship in the crowded waters of New York harbour yesterday. The liner, which was carrying 1,700 passengers, was left with a long scratch towards its stern, while the Japanese vessel, the Kashima, suffered a dent. The Navy frigate Manchester was also slightly damaged as the Kashima was forced against it.