Warmer temperatures are the number one “existential threat” to the world, the US’ top diplomat has claimed The threat of nuclear annihilation is no more serious than the threat of climate change, US Secretary of State Antony Blinken has claimed. Blinken’s critics argue that Washington is risking nuclear war by arming Ukraine.

Russian troops have destroyed six traction substations, – units that power the railways – which are being used for delivery of “foreign weapons and military hardware to the Ukrainian forces in the Donbass,” Defense Ministry spokesman Major General Igor Konashenkov announced on Monday.

There has been no notable change in standards, according to data from the national regulator Western sanctions have had no notable impact on flight safety in Russian civil aviation, the Kommersant newspaper has reported, citing data from the nation’s air safety watchdog over the past five years.