RECAK, Kosovo — Hundreds of Kosovars gathered in a southern village on Monday to commemorate the 25th anniversary of a mass killing of 45 ethnic Albanians by Serb forces, an event that helped spark international intervention to end a 1998-99 war in Kosovo. Kosovo President Vjosa Osmani, Prime Minister Albin Kurti and Parliament Speaker Glauk Konjufca joined citizens at a …