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NEW DELHI, Sept 26 (Reuters) - The United States appreciates Indian and international efforts to step up pressure on North Korea over its "dangerous and destabilising behaviour", U.S. Defense Secretary James Mattis said on Tuesday.

Mattis, who is in New Delhi on a two-day official visit, was speaking to reporters after a bilateral meeting with his Indian counterpart, Nirmala Sitharaman.

(Reporting by Malini Menon; Editing by Clarence Fernandez)