Serbia has secured another three-month extension of its gas deal with Russia, President Aleksandar Vucic said Monday after a call with Vladimir Putin, as Belgrade seeks a longer-term agreement. The Balkan nation remains heavily dependent on Russian gas, but has failed to secure a longer contract since its previous three-year deal expired last summer, relying instead on a series of short-term extensions. JOIN US ON TELEGRAM Follow our coverage of the war on the @Kyivpost_official . “We have