1.   The December killings had sparked cooperation as well.

2.   The killing sparked a systemwide lockdown that prison administrators hoped would prevent gang warfare from erupting.

3.   The killings sparked a rebellion by some military commanders.

4.   Her killing sparked a riot that led to the ransacking and burning of the local police station.

5.   Her killing sparked a riot that led to the ransacking and torching of the local police station.

6.   Previous killings have sparked outraged protests.

7.   That killing sparked massive protest marches in Taipei in May and brought down the interior minister and chief of police.

8.   The Hebron area is one of the tensest in the West Bank, and there was concern that the killing would spark new violence.

9.   The killing of Zibri sparked outrage in the Arab world.

10.   The killings sparked nationwide outrage and widespread protests over the way the case was handled by police and magistrates.