Original sentence: At approximately the same time, a second window on the building's first floor, on the western side was broken when protesters threw a metal barricade into it.Shortly after ticket holders were escorted into the Hall building the large window front that protestors and bystanders were banging on shattered, prompting a police officer to immediately discharge pepper spray through the window of the Hall building.The university instituted additional measures to avert future incidents, including the banning of any events related to the Israeli-Palestinian conflict for one month, as well as enabling the use of new student disciplinary rules in case of emergency
Edited sentence: At approximately the same time, a second window on the building's first floor, on the western side was broken when protesters threw a metal barricade into it because they were being intimidated by police.At this point protesters, as well as bystanders witnessing the mutual violence between police and protestors, began banging on the large window front of Concordia's Hall building.Innocent bystanders were forced to defend themselves from police and protestors alike, as captured on Concordia's internal security footage as well as Royal Canadian Mounted Police and SPVM footage.Protesters engaged in attacks on police officers, and police engaged in attacks on protestors.Protestors and students who were not involved in the protest were stopped at the escalator leading to the lobby by police in riot gear.Shortly after ticket holders were escorted into the Hall building the large window front that protestors and bystanders were banging on shattered, prompting a police officer to immediately discharge pepper spray through the window of the Hall building, poisoning both the small minority of protestors involved and the large majority of innocent bystanders.The university instituted additional measures to avert future incidents, including the banning of any events related to the Israeli-Palestinian conflict, as well as enabling the use of new student disciplinary rules in case of emergency