BUDAPEST, Oct 10 (Reuters) - Hungary and Serbia have agreed to build a pipeline to supply Serbia with Russian Urals crude via the Druzhba oil pipeline as Belgrade's shipments via Croatia fall under EU sanctions, the Hungarian government said on Monday.Last week the European Union agreed on new restrictions against Russia over its war against Ukraine, which include an oil price cap for Russian seaborne crude deliveries to third countries."The new oil pipeline would enable Serbia to be supplied with cheaper Urals crude oil, connecting to the Friendship oil pipeline," Hungarian government spokesman Zoltan Kovacs tweeted.Register now for FREE unlimited access to Reuters.comHe added that Serbia's oil supply was largely via a pipeline through Croatia, "but this is unlikely to be possible in the future because of the sanctions that have been adopted".Serbia's sole oil company is NIS, in which Russian Gazprom Neft (SIBN.MM) and Gazprom (GAZP.MM) together hold a majority stake."