A bomb has killed two people and injured 11 in Kosovo's capital, Pristina, but early reports suggest the motive was criminal, not political.
The blast struck a shopping and business area in the heart of the city early on Monday and police and Nato-led peacekeepers sealed off the area.
Kosovo - officially still a province of Serbia - has been governed by the United Nations since 1999.
Talks are due this week in New York on its final status.
The bomb went off at 0210 (0010 GMT), hurling debris across Bill Clinton Boulevard.
One person died at the scene and another in hospital and one of the injured was said to be in a critical condition in hospital.
"Police are not ruling out anything, but it seems it is more likely related to crime," said police spokesman Veton Elshani.
Tension has been rising in Kosovo as the 90% ethnic Albanian population pursues its bid for independence from Serbia.
The ethnic Albanian leadership and a senior Serbian team will meet on the sidelines of the UN General Assembly in New York.
Western nations have supported the independence plan but Serbian ally Russia has blocked it in the UN Security Council.
Serbia prefers a broad autonomy package.
The US has set a deadline of 10 December for a final decision on Kosovo's fate but Russia rejects this.