In Bulgaria, the remains of medieval ruler Tsar Samuel have been laid to rest in the capital Sofia, after being flown back from the border with Greece by Bulgarian fighter jets. Their return follows decades of negotiations with Athens, in exchange for the return of religious artefacts. Nicholas Rushworth has more.

German Chancellor Friedrich Merz arrived in Ukraine's capital Kyiv on Sunday on an unannounced visit in a show of support for the country in its war with Russia. Merz's visit comes just a day after Russia warned foreigners and diplomats to leave the Ukrainian capital, saying that "massive" new airstrikes would hit the city. FRANCE 24's correspondent in Kyiv Gulliver Cragg has more.

Bosnia is heading to the polls on Sunday after a general election campaign dominated by parties that identify closely with the ethnic divisions of its 1990s war. Voters will elect a vast number of officials across multiple tiers of government, in a complex system that has held the partitioned country together since the 1995 peace deal. FRANCE 24's correspondent in Belgrade Laurent Rouy has more.