The killings sparked violent protests, the most severe of which occurred in Saddam City; there was violence around Nasiriya, too.

The killings sparked a violent uprising.

The killings sparked a rebellion by some military commanders.

His killing sparked weeks of violent street riots in Greece.

The killing sparked a wave of anti-Muslim sentiment throughout the Netherlands, with attacks on more than 20 mosques.

The killing of two adults and three children in their own home sparked international media coverage and an investigation that would cross the entire United States.

The killing of such high profile anarchists, along with a young child, sparked surprise and outrage throughout Japan.

The killing of 15-year-old Alexandros Grigoropoulos three years ago sparked the country's worst riots in decades.

The killings sparked a cycle of mourning for the "martyrs of the revolution" that provoked even bigger demonstrations.

The killings sparked a police investigation leading to the arrest of a number of men who were given long prison sentences.