Biden declared president-elect as challenges loom

Most world leaders swiftly expressed their hope and relief after Biden win.

"The Americans have chosen their President. Congratulations @JoeBiden and @KamalaHarris! We have a lot to do to overcome today's challenges. Let's work together!" French President Emmanuel Macron tweeted. British Prime Minister Boris Johnson, a Trump ally, also congratulated Biden and the "historic achievement" of Kamala Harris' election as vice-president. Johnson tweeted that he looked forward to "working closely together on our shared priorities, from climate change to trade and security".

Other leaders who sent congratulatory messages included Canadian Prime Minister Justin Trudeau, German Chancellor Angela Merkel, NATO Secretary General Jens Stoltenberg, Egyptian President Abdel-Fattah el-Sissi, Indian Prime Minister Narendra Modi, Japanese Prime Minister Yoshihide Suga and Iraqi President Barham Salih.