31.   Police have vowed to mount a Europe-wide hunt for the human traffickers believed responsible.

32.   Rebels of the Revolutionary Armed Forces of Colombia, the oldest and largest of several groups fighting the state for decades, were believed responsible.

33.   A man believed responsible for the blast suffered injuries to his hands and face, but was not hospitalized.

34.   A news magazine reported this week that the army organized paramilitary groups like the one believed responsible for the slaughter in Acteal two weeks ago.

35.   A U.S. official said Colombian rebels are believed responsible.

36.   An electrical fault was believed responsible.

37.   Authorities in breakaway Chechnya said Thursday they had identified four suspects believed responsible for kidnapping and killing four foreigners last year.

38.   Bosnian authorities have provided few details about the arrested men, except to say that Djukic and Krsmanovic were believed responsible for mass killings of civilians around Sarajevo.

39.   Bosnian authorities say the two are believed responsible for mass killings of civilians around Sarajevo.

40.   Bosnian authorities say Djukic and Krsmanovic are believed responsible for mass killings of civilians around Sarajevo.