Tamil rebels and government troops wage fierce battle along border . Army : Senior army sources say 100 soldiers killed ; 400 wounded . NEW : Tamil Tiger rebels feigned retreat then attacked , sources told CNN . Government leaders have vowed to ` ` eliminate '' rebels by 2009 .
Tamil rebels and government troops wage fierce battle along frontline . NEW : Senior army sources say 100 soldiers killed ; 400 injured . NEW : Tamil Tiger rebels feigned retreat then attacked , sources told CNN . Government leaders have vowed to `` eliminate '' rebels by 2009 .