By Steve Holland and Tim Reid WASHINGTON (Reuters) -Thousands of Donald Trump's supporters packed a Washington arena on Sunday to celebrate his victory, a day before the president-elect returns to power with plans to aggressively reshape U.

On the eve of his scaled-down second inauguration, President-elect Donald Trump vowed to quickly close the southern border, deport millions of undocumented immigrants and sign a litany of other executive orders when he returns to power on Monday.

President-elect Donald Trump took a victory lap on Sunday night, telling his supporters at a campaign-style rally that his first day in office will come with a flurry of executive orders to fulfill his 2024 campaign promises.