Flávio Bolsonaro posted a letter from the US declaring himself "the true president-elect of Brazil," claiming electoral fraud had deprived him of victory, without providing evidence

From the article‘Amateur morons’: Flávio Bolsonaro’s short-lived ‘president-elect’ claim met with mockeryAlso in From 'president-elect' to 'true leader': ChatGPT blamed for Bolsonaro post blunder, Ensconced in the US, Flávio Bolsonaro claims victory in election he lost