By Luciana Magalhaes and Gabriel Araujo SAO PAULO (Reuters) -Brazilian Supreme Court Justice Alexandre de Moraes, who is overseeing a criminal case against an ally of President Donald Trump, told a court session on Friday that he will continue to do his job and "ignore the sanctions" imposed by the United States that effectively block him from the country's wide-reaching financial system.

Moraes, who oversees the criminal case against ex-president and Trump ally Jair Bolsonaro, is accused of suppressing freedom of expression.

With his steely gaze and bald pate, Supreme Court Justice Alexandre de Moraes has emerged as one of the most powerful and polarizing people in Brazil. Moraes served as justice minister under center-right president Michel Temer,