Original sentence: The Khojaly Massacre was the retaliatory killing of ethnic Azerbaijani civilians from the town of Khojaly on 25–26 February 1992 by the Armenian and, partially, by CIS armed forces during the Nagorno-Karabakh War
Edited sentence: The Khojaly Massacre was the killing of hundreds of ethnic Azerbaijani civilians from the town of Khojaly on 25–26 February 1992 by the Armenian and, partially, by CIS armed forces during the Nagorno-Karabakh War