The fire at Europe's largest nuclear power plant in Ukraine's Zaporizhzhia caused no immediate radiation spike, according to local authorities, and "critical" equipment was untouched.
"There is no room for explanations or equivocation," said the Biden administration, adding that "there is no room for excuses or equivocation." Japan and Australia, the other members of the Quad, are more openly linked with Washington.
On Thursday morning, the four transport aircraft returned with the 798 residents to the Hindon airbase in Uttar Pradesh's Ghaziabad, which is close to Delhi.