Protesters in the Serbian capital Belgrade attack police protecting a Gay Pride march before setting fire to part of the ruling Democratic Party's headquarters.http://www.bbc.co.uk/news/world-europe-11507253Serbian police have clashed with protesters trying to disrupt a Gay Pride parade in the capital, Belgrade.
Police used tear gas against the rioters, who threw petrol bombs and stones at armed officers and tried to break through a security cordon.
A garage attached to the headquarters of the ruling Democratic Party was briefly set on fire, and at least one shot was fired at the building.
Around 40 people were injured, including at least two police officers.
A number of people were arrested.
This was the first Gay Pride parade in Serbia since a march in 2001 was broken up in violent clashes provoked by far-right extremists.
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While the Gay Pride parade was moving though the city, several hundred protesters shouted "death to homosexuals" while trying to get close to the march.
Thousands of police had sealed off central Belgrade to protect the event.
A gay pride march planned last year was cancelled amid fears of violence.
On Saturday, several thousand people had protested against the march. Right-wing groups say that homosexuality is contrary to Serbian religious and family values.
The Serbian Orthodox Church condemned the parade on Friday but also warned against violence against participants.
Democratic Party spokesperson Jelana Trivan said the violence had nothing to do with moral values.
"These are hooligan gangs which must be punished severely," Ms Trivan said.
The BBC's Mark Lowen says homosexuality is still largely a taboo in Serbia, a conservative and religious nation.
This year's event was being seen as a test of how far the country has come from the ultra-nationalism and violence of the 1990s and on its path to EU membership.
Before the march, the head of the EU mission in Serbia, Vincent Degert, addressed around 1,000 gay activists and their supporters who gathered at a park in downtown Belgrade surrounded by riot police and armored vehicles.
"We are here to celebrate the values of tolerance, freedom of expression and assembly," Mr Degert told the crowd.