The Kremlin has heavily invested in the promise that retreating Arctic sea ice opens up a once impassable route that is further from the reach of Ukrainian drone attacks or European naval interdiction of shadow fleet vessels. But officials are learning that cutting a path through ice isn't easy.

After 14 years dominating Serbian politics, Aleksandar Vucic faces the biggest challenge to his rule in parliamentary elections on October 25 from an opposition movement that has sprung from mass student protests. But there’s growing concern about whether voting will be fair.