Former US President Donald Trump said he expects to be "arrested" on Tuesday over hush money allegedly paid to a porn star before the 2016 election and urged Americans to protest.

(File photo: Xinhua)

Citing a "leak" from the Manhattan district attorney's office, Trump wrote on his Truth Social platform on Saturday morning: "Leading Republican candidate & former President of the United States of America will be arrested on Tuesday of next week. Protest, take our nation back!"