Thankfully, modern reactors have many safety procedures to prevent incidents and upon Russian arrival, the workers activated the control rods, avoiding any possible meltdown. The shelling hit various buildings, including the first power unit. A fire broke out due to the shelling which was quickly extinguished.[1][2][failed verification] That evening, the US Embassy in Ukraine described the Russian shelling of the Zaporizhzhia nuclear power plant in Ukraine as a war crime aiming to establish a "reign of terror".[3][clarification needed] On the same day, Ukrainian President Volodymyr Zelenskyy accused Russian President Vladimir Putin of committing "nuclear terror" by ordering the attack on the plant.[3]