SRL for [crossing]: South Africa accused armed Namibian nationalist guerrillas of [crossing] from bases in neighboring Angola , violating U.N.-supervised peace plans for the territory 's independence from Pretoria .
ARG-0: armed Namibian nationalist guerrillas | ARG-M-DIR: from bases in neighboring Angola | ARG-M-ADV: violating U.N.-supervised peace plans for the territory 's independence from Pretoria