VLADIKAVKAZ, Russia (Reuters) – Russian families buried relatives killed in Ukraine with automatic gun salutes and military brass bands on Friday, a day after the Kremlin admitted for the first time that it had lost significant numbers of troops. Russia sent tens of thousands of soldiers into Ukraine on Feb. 24 on what it calls a “special operation”. Kremlin spokesman Dmitry Peskov said on Thursday that the losses were “a huge tragedy for us.” In the southern garrison town of Vladikavkaz, near the Caucasus mountains, relatives gathered for the funeral of Vitaly Dyadyushko, one of two soldiers …