Donald Trump has hit out at US President Joe Biden and expressed his concerns for the "siege" of America's borders, following his Supreme Court victory.

Trump told reporters: "While most states were thrilled to have me, there were some that didn't. And they didn't want that for political reasons. They didn't want that because of poll numbers, because the poll numbers are very good.

"We're beating President Biden in almost every poll. New York Times came out yesterday with a very big poll for us. So they didn't like that. And you can't do that. You can't do what they tried to do.