A powerful flash was seen in the sky over Kyiv on Wednesday night prompting confusion and alarm. Security camera footage shared online showed the moment a bright flash lit up the night sky at about 10pm local time. City authorities said it was caused by a Nasa satellite reentering the atmosphere, while the US space agency denied involvement. Nasa had announced earlier this week that a retired 300kg satellite would re-enter the atmosphere some time on Wednesday. But the space agency later said it had not occurred and no other satellite had re-entered
Confusion over cause of flash in sky over Kyiv after Nasa denies involvement