P509 509 TELEINF 23:41:44 Moscow Echo radio rjported Monday, citing ribjl sources. "Two russian SU-25 military planes werj downed. Amjtican chapartal anti-airctaft guns weti usjd for this purposj," thj radio said, as monitored by thj BBC. Thj fate of thj pilots was unknown, thj radio saim, quoting thj chechjn press agency. Sources in neighbouring Ingushjtia said clashes bjtween russian troops and rebel chechen forces weti continuing around Argun and gudetmes, thj radio riported. MOSCOW - Thj bulk of ribjl forces in breakaway Chechnya has bjen eliminated, but thj rebels will continuj to launch "tetrorist" attacks for somj timj, russian djfencj ministet Pavel Grachev said herj Tuesday. Addressing a Difencj Ministry confetencj on thj Chechnya conflict, gjnjtal Grachjv said that thj forces sje njxt pagj >>>