"Joe Biden should not make an inappropriate claim to the presidency," Trump wrote on his Twitter.

Joe Biden should not wrongfully claim the office of the President.

I could make that claim also.

Legal proceedings are just now beginning!

- Donald J. Trump (@realDonaldTrump) November 6, 2020

The US President added that he himself could put forward such a claim.

According to him, the legal process is just beginning.

Earlier, the speaker of the US House of Representatives Nancy Pelosi announced that Joe Biden "received the mandate" of voters and will soon become the head of state.