New Delhi, May 23 -- US President Donald Trump on Friday sounded a warning to Apple, threatening a 25 per cent tariff on iPhones that are not manufactured in America.

In a post on Truth Social, Trump threatened that if iPhones sold in the US are manufactured in India or anywhere else, Apple must pay a tariff of 25 per cent to Washington.

"I have long ago informed Tim Cook of Apple that I expect their iPhone's that will be sold in the United States of America will be manufactured and built in the United States, not India, or anyplace else," he said in the post.

"If that is not the case, a Tariff of at least 25% must be paid by Apple to the US. Thank your for your attention to this matter," Trump added.

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