School massacre in Iran leaves 150 girls dead, disturbing claims spark global debate

Massacre at Mexican Festival: Mass Shooting Leaves 12 Dead During Celebration

Massacre Horror: 100 People Burned Alive by Armed Militants in Gruesome Village Attack

More than 300 civilians killed in attacks on Sudan's displaced camp: UN

Nigerian president confirms over 40 killed in central state attack

Masquerade of Death: Gunmen Dressed as Shepherds Slaughter 40 in Cold Blood