New Delhi, April 26 -- The two explosions at the Chernobyl nuclear power plant came decades apart in the dead of night.

The first, at 1:23 a.m. on April 26, 1986, spread a cloud of deadly radiation that raised fears across Europe and shook the very foundations of the Soviet Union. Some say it led to its eventual collapse.

The second, at 1:59 a.m. on Feb. 14, 2025, was blamed by Ukrainian officials on a Russian drone with an explosive warhead. While not as catastrophic, it sparked new anxieties about Moscow's invasion of its neighbor, striking the site that symbolized so much suffering for Ukraine.

"What once seemed unthinkable - strikes on nuclear facilities and other hazardous sites - has now become reality," said Oleh Solonenko, head...