Ukraine is celebrating its independence day on Sunday, which marks the country's declaration of independence from the Soviet Union in 1991. The UK government has announced that Ukrainian flags will appear above Downing Street on Sunday in recognition of the anniversary.

MOSCOW: A fire broke out Sunday at a Russian nuclear power plant after the country's military downed a Ukrainian drone, the facility said after the blaze was put out.The device detonated

While nuclear fission creates electricity with lower carbon output than coal plants, experts point to concerns about rushing new reactor designs into service. Union of Concerned Scientists member Edwin Lyman has cautioned that newer reactor technologies need thorough testing before widespread deployment, according to previous reporting.