A powerful blast Sunday in front of the offices of an opposition party's offices in the center of the Kosovo capital Pristina injured two people and caused serious damage, witnesses said.
An explosive device went off at around 10:30 pm (2030 GMT) in front of the headquarters of Kovovo's second-largest opposition group, the ORA party led by Veton Surroi, a prominent journalist-turned politician.
Two children were slightly injured by a shattered glass and immediately hospitalized, witnesses said.
Police cordoned off the area, banning any approach to the site of the blast. However, neither police nor United Nations spokesmen were available for comment late Sunday.
Kosovo has been administered by the United Nations since the NATO-led bombing campaign forced Serbian forces under strongman Slobodan Milosevic to pull out in 1999.