Mass shootings at schools, universities and youth centers remain rare in Europe compared to the US. In recent decades, European governments have tightened gun laws in response to shootings.

Ten people were killed in a mass shooting at a high school in Graz, the country’s second-largest city, the police said. The gunman also died, in an apparent suicide.

At least 10 victims died in a shooting at a school in the Austrian city of Graz on Tuesday, police said. The suspect, whose motive remains unknown, acted alone and took his own life after the