Nancy Pelosi has endorsed Joe Biden for US president in a video statement released Monday.

“Today I am proud to endorse Joe Biden for president of the United States because he will be an extraordinary president,” the speaker of the House of Representatives said in the pre-recorded message.

Pelosi was the last leading Democrat to endorse formally Biden’s run for the White House against Republican Donald Trump in November.

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Biden, who served as vice president under former President Barack Obama, had already emerged as the Democrats’ presumptive nominee after decisive primary victories in a string of primaries before the COVID-19 pandemic shut down much of the country.

His main rivals, including Vermont Senator Bernie Sanders, have dropped out of the race and endorsed Biden as has Obama.

In her statement, Pelosi lauded the former senator from Delaware as a man of “empathy, grace and courage” and “a leader with the humility to seek expertise in science and the confidence to act on it.”

“As we face coronavirus Joe Biden has been a voice of reason and resilience with a clear path to lead us out of this crisis,” she said.