ROSTOV-ON-DON, Russia, Safar 15, 1433, Jan 9, 2012, SPA - The Russian Interior Ministry says four of its officers were killed and 16 wounded during a clash with militants in the mountains of southern Chechnya. Ministry spokesman Valentin Kalyuzhny said Monday that four militants also were killed and two wounded. The Interior Ministry said the firefight broke out Sunday when one of its battalions working with local police came upon a group of about 10 militants, but as darkness fell the surviving militants were able to slip away. Kalyuzhny said troops resumed their search for the militants on Monday, according to a report of the Associated Press. --SPA 12:58 LOCAL TIME 09:58 GMT www.spa.gov.sa/959740