Belgrade is investigating an attempted sabotage of the gas pipeline from Russia to Serbia and Hungary, with a suspect identified as a migrant. Explosives were found near the pipeline, prompting security measures and warnings from Serbian officials. Hungarian PM Orbán suggested Ukraine's involvement, which Kyiv denied. Tensions between Hungary and Ukraine have escalated, particularly regarding energy infrastructure. Orbán is also facing an election, emphasizing that energy security should not be politicized. US support for Orbán has been noted, with Vice President Vance visiting Hungary.