US President Donald Trump has sought to explain why he referred to a security incident in Sweden on Friday which did not actually happen.
Addressing a rally on Saturday, he had said, "look at what's happening last night in Sweden", as he listed parts of Europe hit by terrorist attacks.
With no such incident reported in Sweden on Friday, the country asked the US administration for an explanation.
Mr Trump tweeted on Sunday that he had been referring to a TV report.
He said it had been broadcast on Fox News but did not say when. He may have been referring to a Fox News programme on Friday night, which looked at refugees and crime in Sweden.
Despite his words "happening last night in Sweden", White House spokeswoman Sarah Huckabee Sanders said separately that Mr Trump had been talking about rising crime and recent incidents in general, not referring to a specific issue.
Former Swedish Prime Minister Carl Bildt was among those who mocked Mr Trump's comment, suggesting that he had "been smoking".
Social media users ridiculed the American leader, joking about imaginary situations involving Swedish institutions like the pop group Abba and furniture store Ikea.Tweeted
On Sunday, Mr Trump tweeted: "My statement as to what's happening in Sweden was in reference to a story that was broadcast on @FoxNews concerning immigrants & Sweden."
The Fox News report looked at gun violence and rape in Sweden since it opened its doors to large numbers of asylum-seekers in 2013.
Fox News is known to be among Donald Trump's favourite cable TV channels.
President Trump's remarks came at a big rally in Florida.
"You look at what's happening in Germany, you look at what's happening last night in Sweden," he said.
"Sweden, who would believe this? Sweden. They took in large numbers. They're having problems like they never thought possible. You look at what's happening in Brussels, you look