101.   Police said they were taking seriously a claim of responsibility from a previously unknown group that threatened further attacks.

102.   Several previously unknown groups had claimed reponsability for the earlier bombings.

103.   Several previously unknown groups had claimed responsibility for the earlier bombings.

104.   Some community leaders believe unknown groups trying to sow chaos have dropped off mentally ill people in neighborhoods to scare local residents.

105.   The attempted bombing was claimed by a previously unknown communist group, the Revolutionary Military Council of the Russian Federation.

106.   Swiss authorities refused to comment on a claim from a previously unknown Islamic militant group that it was responsible for the slaying.

107.   The caller said he was from a previously unknown group called Mujahedeen el Islam.

108.   The anti-communist protesters said they represented the Solidarity of Democratic Communities, a previously unknown group.

109.   The beloved statue of the Little Mermaid was decapitated as a protest against sexism, a previously unknown group said in a statement Wednesday.

110.   The blasts came a day after a previously unknown group claimed responsibility for the Kano plane crash that killed Ibrahim Abacha, the eldest son of Gen. Sani Abacha.