Nato carried out its threat to bomb Serbia on 24 March, attacking a sovereign European country for the first time in the alliance's history. Follow the first week of the campaign in this day-by-day guide. Read the main stories, BBC analysis and the best video and audio clips.
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Nato strikes: Day seven (30 March)
Nato responds with more strikes Nato presses on with its air offensive after rejecting an "unacceptable" ceasefire proposal from President Milosevic. Meanwhile the humanitarian crisis deepens.
Refugees flee Kosovo horror Tens of thousands of refugees fleeing Kosovo tell horrifying stories of atrocities, as Nato says it has started around-the-clock
air attacks against Serbian targets.
Serb 'scorched earth' offensive More than 500,000 Kosovo Albanians have been forced to flee their homes, according to Nato. The alliance loses its first plane - a US Stealth fighter. Protests mount in some countries against the continuing action.
Nato steps up raids Nato decides to move into the second phase of its military campaign against Yugoslavia, authorising its commanders to target tanks and other facilities. A Stealth fighter goes down, the first Nato loss of the conflict
Second night of bombs More than 100 Nato warplanes pound Yugoslavia in a second night of air strikes over the Kosovo crisis in what military chiefs describe as a "significantly heavier" assault.
Serbia bombed Nato carries out its threat to bomb Serbia over Kosovo, attacking a sovereign European country for the first time in the alliance's history.
Timeline Details of the negotiations at Rambouillet, the earlier massacre at Racak and the history of the conflict stretching back to March 1998. With links to original stories, transcripts, BBC audio and video reports.