What was thrown that prompted the police to fire on the crowd?

The incident in question most likely refers to a significant historical event where a bomb was thrown, leading to a violent response from law enforcement. This type of situation often escalates rapidly, particularly when it involves an explosive device, as it poses an immediate threat to public safety. The use of a bomb signifies an intention to cause harm or instigate fear, prompting police to react defensively and with force to restore order and protect bystanders.

In the context of this event, a bomb not only escalates the situation but also alters the dynamics of crowd control and law enforcement's response protocols. The fear and urgency associated with a bombing can justify a more aggressive police response compared to other projectiles such as rocks, flares, or bottles, which, while potentially harmful, do not carry the same level of imminent threat. Understanding the implications of such actions and their historical context is crucial when studying industrial worker movements and social unrest.