At least 50 Russian servicemen have been killed in a battle with separatist rebels which erupted in the Chechen capital Grozny on Thursday and continued after Russia and the rebels agreed a truce , Interfax news agency said .
<response> At least 50 <misc>Russian</misc> servicemen have been killed in a battle with separatist rebels which erupted in the <misc>Chechen</misc> capital <location>Grozny</location> on Thursday and continued after <location>Russia</location> and the rebels agreed a truce , <organization>Interfax</organization> news agency said . </response>