11.   Until a recent cease-fire, the two groups had been killing each other in frequent outbursts of urban guerrilla warfare.

12.   Outlawed Protestant groups killed several hundred Catholic civilians in response.

13.   Over the past decade, militant Islamic underground groups have killed prominent journalists and academics who support closer ties to the West.

14.   A Kashmiri separatist group has killed one of the five Western tourists it kidnapped in early July.

15.   A Kashmiri separatist group killed one of its five Western hostages, and his headless body was found Sunday with a note left by the militants, police said.

16.   A marine rescue group killed a stranded baby whale Saturday because its mother could not be found and the animal was unable to live on its own.

17.   A year earlier, a group of teens killed an Australian black swan by dropping a large rock on the bird as it slept in its enclosure.

18.   An armed group killed a longtime journalist for a pro-government weekly Tuesday morning, as Muslim militants targeted journalists in their war to topple the government.

19.   Among those killed was the leader of the PFLP, Mustafa Zibri, in August, and in response the group killed an Israeli Cabinet minister two months later.

20.   An armed group killed ten people and injured three in a weekend attack south of the Algerian capital, hospital workers at the scene said Sunday.