Hungary Vote Tests Orban’s Friendship With Putin—and Its Need for Russian Energy

BUDAPEST—Hungarian Prime Minister Viktor Orban, the closest thing Russian President Vladimir Putin has to a friend in the club of European Union leaders, seeks a fifth term in power Sunday in an election that has become a referendum on the Kremlin’s war with Ukraine.

Across Europe, national leaders have rallied together after Russia’s Feb. 24 invasion by pledging to arm Ukraine’s outgunned defenders, tighten the screws of sanctions on Moscow, and dial back the continent’s dependency on Russian natural gas.