Afghanistan, Jan. 14 -- U.S. President Donald Trump urged Iranian protesters to press on, seize government institutions and document abuses, saying help is on the way as unrest intensifies.

Donald Trump on Tuesday urged Iranian protesters to continue demonstrations and seize government institutions, sharply escalating his rhetoric amid growing unrest in Iran.

Writing on his Truth Social platform, the U.S. president called on what he described as "Iranian patriots" to document abuses by security forces, warning that those responsible would "pay a heavy price."

Trump said he had canceled all meetings with Iranian officials until what he called the "senseless killing" of protesters stops, adding that assistance to demonstrators was "on the ...