乌克兰宣布报复匈牙利

Group 1 - Ukraine has banned three senior Hungarian military officials from entering the country in response to Hungary's previous actions [1] - Hungary's Foreign Minister announced the ban on a Ukrainian officer due to their involvement in attacks on the "Friendship" oil pipeline [1] - The "Friendship" pipeline is a major oil transport system from Russia to Central and Eastern Europe, with routes through Ukraine and Belarus [1] Group 2 - Recent attacks by Ukraine on the "Friendship" pipeline have disrupted oil supplies to Hungary and Slovakia for several days [1] - Hungary has condemned Ukraine's attacks through various channels, citing threats to its energy security [1]