NATO's bombing campaign against Serbia in 1999 for its crackdown on Kosovo was a "crime", Serbian President Boris Tadic said Saturday as Belgrade mourned its victims.

Four Bosnian Croats, including a woman, were arrested on Wednesday accused of committing war crimes against Serb civilians at the start of the 1992-1995 war, justice officials said.

The former members of paramilitary forces are suspected of committing war crimes against Serb civilians in a detention camp in May 1992, shortly after the start of the war, the Bosnian war crimes prosecutor's office said.

Haiti has become the latest country to recognize Kosovo's independence, Pristina's foreign ministry said on Saturday.

"Haiti is the 87th country that has recognized the independence of Kosovo," a ministry statement said.

Serbian ultra-nationalist Vojislav Seselj has filed a two-million-euro suit against the U.N.'s Yugoslav war crimes tribunal for "violations of elementary human rights", the court said Monday.

"On account of the violations of elementary human rights during his nine-year detention, Professor Vojislav Seselj seeks damages from the International Criminal Tribunal for the former Yugoslavia in the amount of two million euros," Seselj said in his claim, filed before judges on January 12.

One person died of wounds from a shooting incident in which two other Kosovo Serbs, including a policeman, were injured Wednesday in a suburb of the tense northern town of Kosovska Mitrovica, hospital sources and police said.

Hospital sources in Kosovska Mitrovica said one of the victims had died during surgery, but did not reveal his identity or profession.

Russia could take steps of "a technically military nature" if its objections to NATO's planned missile defense system are not heeded, Russian Foreign Minister Sergei Lavrov told a Serbian daily Tuesday.

"If our partners in the future continue to ignore out position we should protect our interests by other means... Concrete measures might be needed... a response of a technically military nature," Lavrov told Belgrade's Vecernje Novosti in an interview published Tuesday.

Serbian police on Saturday said they had arrested 17 people in the southwestern Muslim-dominated district of Sandzak, on suspicion of links to an Islamic extremist who opened fire on the U.S. embassy in Sarajevo.

"Police detained 17 persons suspected of being members of the radical Wahhabi movement and having close links with Mevlid Jasarevic," the Interior Ministry said in a statement. Wahhabism is a strict and ultra-conservative branch of Islam.

Serbia's interior minister said Wednesday that two Pablo Picasso paintings owned by a German museum and stolen from a Swiss exhibition have been found in Belgrade.

Ivica Dacic provided no information on the exact location of the paintings or possible suspects in the theft.

As the global population hits seven billion, experts are warning that skewed gender ratios could fuel the emergence of volatile "bachelor nations" driven by an aggressive competition for brides.

The precise consequences of what French population expert Christophe Guilmoto calls the "alarming demographic masculinization" of countries such as India and China as the result of sex-selective abortion remain unclear.

NATO-led peacekeepers tried to remove roadblocks in northern Kosovo on Saturday, but were prevented by Serbs guarding the blockade that has paralyzed travel in the tense region.

The troops in full riot gear tried overnight to push through three of the 16 roadblocks formed from vehicles, rocks, mud and logs. But they were met by hundreds of Serbs who sat on the roads to stop the advance.