New Delhi, July 4 -- US President Donald Trump has said he will start sending out letters to America's trading partners starting today to begin charging unilateral tariff rates, which countries will have to pay from August 1.

Talking to reporters, the President said that the tariff rates could start between 10-20 per cent and could go up to 70 per cent.

"They'll range in value from maybe 60 or 70% tariffs to 10 and 20% tariffs," he said.

About "10 or 12" letters will be sent on Friday, Trump revealed, adding that additional letters will go out "over the next few days."

"I think by the ninth they'll be fully covered," Trump added, referring to the July 9 deadline he had earlier set for countries to reach deals with the US to avoid high...