A 15-year-old suffered a serious injury on Monday, losing a hand after picking up a police grenade. This incident occurred during a wave of protests by students demanding better classroom conditions. The protests have been ongoing for days and have affected hundreds of schools nationwide.

Some schools have experienced more severe disruptions, with blazes and barricades reported. Lessons have been disrupted at many schools due to the protests.

Further details about the protests and the incident involving the 15-year-old are available from the source. The protests are a response to demands for improved classroom conditions, with students taking action across the country.