A drone armed with a warhead hit the protective outer shell of Ukraine's Chernobyl nuclear plant early Friday, punching a hole in the structure and briefly starting a fire, in an attack Kyiv blamed on Russia.

For the first time, a Russian projectile directly struck a structure containing a nuclear reactor. Moscow has increasingly been targeting Ukraine's nuclear infrastructure.

Ukraine’s nuclear ghosts have been stirred up again after a drone armed with a warhead hit the protective outer shell of the plant at Chernobyl, the site of the world’s worst nuclear accident.

A drone armed with a warhead hit the protective outer shell of Ukraine’s Chernobyl nuclear plant early on Friday, punching a hole in the structure and briefly starting a fire, in an attack Kyiv blamed on Russia.

A drone armed with a warhead hit the protective outer shell of Ukraine's Chernobyl nuclear plant early Friday, punching a hole in the structure and briefly starting a fire, in an attack Kyiv blamed on Russia.

Ukrainian emergency services confirm that a drone strike at the Chernobyl nuclear power plant, which Kyiv blamed on Moscow, caused an explosion, but that no radiation has been detected. Fragments of the drone remain scattered around the facility.