This event was first detected internationally by sensors in Forsmark. (10[1])After this event, Anatoly (10[1])Dyatlov (-5[1])was imprisoned for failing to follow safety procedures. (10[4])The city of (10[1])Slavutych was built to house the people who were evacuated due to this event. Medals were awarded (10[1])to the “liquidators” who responded to this event. The New Safe Confinement replaced the concrete “sarcophagus” that was built around (10[1])the location of this event that began after the explosion of Reactor Number Four. For 10 points, name this disaster that occurred at a nuclear power plant near Pripyat in modern-day Ukraine. ■END■