"mass massacre" is a proper and useful phrase in written English.
You can use it to refer to multiple, simultaneous killings of multiple people, or the attempted killing of large groups of people. For example, "The mass massacre of innocent civilians in the war-torn country left the survivors in shock and disbelief."
He wrote this three decades ago, when there were no civil wars, no mass massacres conducted along sectarian lines and no failed and collapsing states.
On Sunday, Governor Talal Barazi of Homs — a province which includes Palmyra — told AP that IS fighters had "committed mass massacres in the city of Palmyra" since they gained control of the city.
Mass gassing, massacres in the streets, mosque bombings.
The war gave new boldness to these interests, and the Ottomans, fighting on multiple fronts, responded with mass expulsions, massacres, and, most infamously, the Armenian genocide.
Understanding for Rwanda's position eroded as eastern Congo fell under the control of warlords, and the people endured mass rape, massacres and starvation.
Delacroix is the last of the romantics and the first of the moderns: a sensual, even depraved connoisseur of sex and violence as aesthetic themes whose visions of harems, mass suicides, massacres and struggles with angels are painted with infinite sensitivity to colour.
He was declared a war criminal who as commander of the Dinara Division was responsible for organizing and carrying out a series of mass murders, massacres, tortures, rapes, robberies, and imprisonments, and collaborating with the German and Italian occupiers.
However, Americans were apprehensive to label this fatal mass-shooting massacre as a terrorist attack, despite his motives to stroke fear, anger and social strife -- as noted in his manifesto.
"What rivets Americans is the unexpected — the Colorado massacre, mass school shootings.
