THE HAGUE, Netherlands — A U.N. war crimes court convicted two Bosnian Serb cousins today for a "callous" 1992 killing spree that included locking scores of Muslims in two houses and burning them alive.

Yugoslav war crimes tribunal judge Patrick Robinson said burning at least 119 Muslims to death in the eastern Bosnian town of Visegrad "exemplified the worst acts of inhumanity that one person may inflict on others."

He sentenced Milan Lukic to life in prison and Sredoje Lukic to 30 years.

Robinson said Milan Lukic was the ringleader in both incidents, helping herd victims into the houses, setting the fires and shooting those who tried to flee the flames. The judgment said his cousin Sredoje Lukic aided and abetted in one of the blazes.

Witnesses "vividly remembered the terrible screams of the people in the house," Robinson said, adding that Milan Lukic used the butt of his rifle to herd people into the house, and said, "come on, let's get as many people inside as possible."

Milan Lukic shook his head but looked unmoved as Robinson pronounced the sentence. Sredoje Lukic leaned back in his chair, his face blank.