Supporters of US President Donald Trump stormed the US Capitol
World leaders have condemned the violent scenes in Washington, where rioters supporting US President Donald Trump stormed the Capitol building.
The action forced the suspension of a joint session of Congress to certify Joe Biden's electoral victory.
Many leaders called for peace and an orderly transition of power, describing what happened as "horrifying" and an "attack on democracy".
UK Prime Minister Boris Johnson condemned the "disgraceful scenes".
"The United States stands for democracy around the world and it is now vital that there should be a peaceful and orderly transfer of power," he wrote on Twitter.
Other UK politicians joined him in criticising the violence, with opposition leader Sir Keir Starmer calling it a "direct attack on democracy".
Scotland's First Minister Nicola Sturgeon tweeted that the scenes from the Capitol were "utterly horrifying".
Spanish Prime Minister Pedro Sánchez said: "I have trust in the strength of US democracy. The new presidency of Joe Biden will overcome this tense stage, uniting the American people."
French Foreign Minister Jean-Yves Le Drian condemned the "grave attack against democracy", while his German counterpart, Heiko Maas, said Mr Trump and his supporters "must accept the decision of American voters at last and stop trampling on democracy".
European Council President Charles Michel said he trusted the US "to ensure a peaceful transfer of power" to Mr Biden, and European Commission President Ursula von der Leyen said she looked forward to working with the Democrat.
Nato Secretary-General Jens Stoltenberg joined those in saying that the outcome of the election "must be respected".
Canada's Prime Minister Justin Trudeau said Canadians were "deeply disturbed and saddened by the attack on democracy".
"Violence will never succeed in overruling the will of the people. Democracy in the US must be upheld - and it will be," he wrote on Twitter.
Australian Prime Minister Scott Morrison condemned the "distressing scenes" and said he looked forward to a peaceful transfer of power.
The Turkish foreign ministry said it invited "all parties" to show "restraint and common sense".
The Venezuelan government said that "with this regrettable episode, the United States suffers the same thing that it has generated in other countries with its policies of aggression".
-- Courtesy of BBC News