A police riot grenade took a protester’s hand, another protester used a road roller – hundreds of thousands demonstrated in France

The demonstrations combined large peaceful marches with serious violence and property damage. Protesters gathered across France, while some groups attacked police, businesses and public buildings. This matters because the unrest affected safety, public services and the protesters’ political message.

In Saint-Étienne, a police riot-control grenade exploded near one protester. AFP reported that the person suffered severe hand injuries and that the hand was blown off. In Caen, a crowd used a road roller to break through a police barrier. Elsewhere, protesters entered town halls, set buildings or offices on fire, and threw stones and flares at police.

Police used tear gas in several cities. At least one protester and several police officers were injured, while hundreds of people were arrested. The violence continued alongside peaceful singing, slogans and music. President Emmanuel Macron condemned the destruction and said people responsible for vandalism and looting would face court proceedings.

A police riot-control grenade is a device used by police to control dangerous or disorderly crowds. It may create a loud blast, smoke, gas or another strong deterrent. Such weapons are meant to avoid ordinary firearms, but they still contain explosive force. That makes distance, timing and the device’s exact type crucial for safety.

In the reported incident in Saint-Étienne, a grenade exploded while a protester was nearby. AFP and BFMTV reported severe hand injuries, and AFP said the hand was blown off. The example shows how a device designed for crowd control can cause catastrophic harm when it explodes close to a person or behaves unpredictably.

The article does not identify the grenade’s model or explain the precise technical failure. It does show the wider danger: police used tear gas in several cities, protesters threw objects, and both protesters and officers were injured. Any use of such devices therefore carries serious medical and legal consequences.

The demonstrations were national in scale. Police told AFP that they expected between 100,000 and 200,000 participants across France, with about 40,000 expected in Paris. Organisers and officials later gave much higher figures. The competing estimates show both the size of the mobilisation and the difficulty of counting crowds accurately.

The CGT trade-union federation estimated up to 800,000 participants. Interior Minister Laurent Nuñez estimated about 550,000. Nearly 100 demonstrations and as many as 500 other protests had been planned across the country. Police reported at least 270 arrests during Saturday’s daytime, later describing the total as several hundred.

The protests had already lasted about a month. Over the previous weeks, police had arrested more than 8,000 people. The large attendance and continuing arrests suggest that the unrest was not a single-day event. It had become a sustained national movement involving students, unions and other protesters.

The protests brought together several groups with concerns about living costs, education resources and France’s difficult economic situation. The movement began as a student protest. Trade-union organisations later joined it, and protests also spread to Belgium and parts of Italy. Not everyone in the crowds belonged to the core movements.

Police controlled demonstrations, used tear gas in several cities and made arrests. Some protesters marched peacefully, singing, shouting slogans and playing music. Others damaged property, attacked police with stones and flares, or entered public buildings. The CGT provided a national participant estimate, while Interior Minister Laurent Nuñez offered the government’s estimate.

President Emmanuel Macron represented the government’s response. He strongly condemned violence and wrote that violence had no place in the republic. He also said people involved in vandalism and looting would answer for their actions in court. The article reports no separate government policy response to the protesters’ economic demands.

The protests had consequences for people, buildings, businesses and public life. One protester suffered catastrophic hand injuries, and police officers were also injured. Public buildings and facilities were damaged in several cities. These effects mattered beyond the demonstrations because residents, workers, shopkeepers and travellers faced danger and disruption.

Protesters entered the town halls in Marseille and Lille. A tourist office burned in Lyon, and Limoges town hall was set on fire. In Caen, a road roller broke a police barrier. Some shops kept their main doors closed because owners feared broken windows or looting, while the Finnish embassy warned about crowds and delays in local transport.

Police reported at least 270 arrests during Saturday’s daytime and later referred to several hundred. Over the month, more than 8,000 people had been arrested. Macron said those responsible for vandalism and looting would face court proceedings, adding a legal consequence to the immediate physical and economic damage.

Peaceful protest gives people ways to challenge government decisions without harming others or destroying property. Demonstrators can organise marches, rallies, petitions, public meetings and political campaigns. These methods make demands visible and help participants persuade the wider public. They also protect the credibility of a movement when its goals are being debated.

Workers can use lawful strikes, while consumers can organise boycotts. Protesters can contact representatives, submit policy proposals, collect signatures and share evidence through media. Students can hold teach-ins or coordinated walkouts where permitted. Negotiations with officials can turn public pressure into specific demands, timelines and possible compromises. The article itself notes that many protesters sang, used slogans and invited passers-by to join.

Peaceful methods cannot guarantee immediate policy change. They can, however, reduce injuries, property damage, transport disruption and arrests. In this case, protesters worried that violence was hiding their real message. Keeping demonstrations nonviolent would make that message easier to hear and would avoid the court cases promised by Macron.

Demonstrations and strikes are important democratic tools because they let people express demands publicly and act together. A march can show how many people support an issue. A strike can show the importance of workers’ labour and create pressure for negotiation. These actions also attract media attention and encourage officials to respond between elections.

Democratic rights are not unlimited. In many countries, authorities may require notice, set routes or protect access to hospitals and other essential services. Protesters generally must not attack people, damage property, loot, use dangerous weapons or threaten others. Strike rules can also protect emergency services and other essential functions. Exact limits depend on national law, which the article does not detail.

The French protests show both sides of this balance. Many people sang, shouted slogans and joined peaceful marches. Others damaged buildings, threw objects and caused injuries. President Macron said violence had no place in the republic and that people responsible for vandalism and looting would face court proceedings.