Slobodan Praljak, 72, tilted back his head and took a swing from a flask or glass as the judge read out the verdict.
He said: “I just drank poison.
“I am not a war criminal. I oppose this conviction.”
The presiding judge suspended the hearing and called for a doctor.
An ambulance was at the building and paramedics raced up to the courtroom.
It was the last judgment by the International Criminal Tribunal for the former Yugoslavia (ICTY), established by the United Nations in 1993, before it closes next month.
More to follow…