NEW YORK (AP) — President Donald Trump will not answer federal investigators' questions, in writing or in person, about whether he tried to block the probe into Russian interference in the 2016 election, one of the president's attorneys told The Associated Press on Thursday.

Trump lawyer Rudy Giuliani said questions about obstruction of justice were a "no-go."

Giuliani's statement was the most definitive rejection yet of special counsel Robert Mueller's efforts to interview the president about any efforts to obstruct the investigation into possible coordination between his campaign and Russian...