Protesters in Sweden and Denmark on Thursday assaulted Iran's embassies as demonstrations there turned violent.
Demonstrators at the Iranian Embassy in Stockholm, Sweden, pelted the building with rocks and Molotov cocktails on Thursday, police said.
No one was injured, said Carina Andersson, city police spokeswoman. Five people were arrested and four windows were shattered in the melee, she said.
Protesters had permission to stage a demonstration between 3 and 6 p.m., she said. The event was devoted to opposing the death penalty and deploring five recent executions in Iran.
While 50 people were expected, many more came and the demonstration turned violent when around 100 people tried to storm and pelt the embassy, Andersson said. Police were out in force and were able to block the protesters from getting into the building.
The protest was "in defence of the Iranian people," according to the application the organizers had submitted for the permission to protest, Andersson said.
CNN Swedish affiliate TV4 reported that an organization called the International Committee against the Death Penalty was behind the protest.
"We are protesting against the death penalty and for the fight in Iran against executions. We condemn the regime that had five political activists executed this Sunday," Mamad Amiri, who represents the organization, told Sweden's TT wire service.
Another protest is scheduled to take place Friday at the same time.
"We'll see how that one turns out," Andersson said.
In Denmark, Copenhagen police spokesman Mads Firlings said around 100 protesters stoned the Iranian Embassy and police, who used pepper spray on the demonstrators and had to call in reinforcements. Four people were arrested and one police officer was slightly wounded.
In Iran on Sunday, five people were hanged inside Tehran's Evin Prison for "anti-revolutionary" activities, Iran state media said.
One was executed for his connections to the 2008 bombing of a mosque in the southern city of Shiraz, the state media reports said. The other four had ties to the Party of Free Life of Kurdistan, a militant Kurdish nationalist group accused of carrying out attacks in Iran, the reports said.