India, March 4 -- The pound fell against its most major counterparts in the New York session on Tuesday amid concerns that tariffs by U.S. President Donald Trump could trigger a slowdown in global growth.

Trump's long-threatened tariffs against Canada, Mexico and China went into effect today.

Trump imposed 25 percent tariffs on imports from Mexico and Canada and 20 percent levy on Chinese goods.

Canada announced 25 percent tariffs on $107 billion worth of U.S. goods, with $20.7 billion in immediate effect. Mexican President Claudia Sheinbaum said her country is preparing countermeasures.

China has announced 15 percent tariffs on U.S. chicken, wheat, corn and cotton, plus 10 percent cent tariffs on soybeans, pork, beef and dairy beginnin...