juba south sudan former army chief confine home security reason country defense minister say thursday paul malong sack may president salva kiir amid resignations senior general allege military abuse tribal bias country ethnically charge civil war grind arrest confine charge defence minister kuol manyang juuk tell reuters interview oil-rich nation gain independence neighbor sudan 2011. world young nation plunge civil war 2013 kiir ethnic dinka fire deputy riek machar member rival nuer community peace deal two side sign 2015 collapse last year amid fight capital machar exile south africa malong former elect civilian governor member dinka ethnic group immediately available comment former army chief leave juba capital convoy vehicles hours remove post spark fear might join revolt defense minister say malong persuade come back juba back house say government doctor provide event malong need medical care must see doctor decide go anywhere outside country minister also say president grant amnesty thomas cirillo swaka senior officer defect military last year cirillo live ethiopia say aim overthrow kiir accuse run tribalist army government hope respond amnesty president juuk say want come form political party develop democratic system east african leaders say june would push south sudan war side revive collapse peace efforts delay schedule elections set date new process july donors european union unite state britain norway say would offer support implementation peace deal regional leaders find credible way re-launching peace process south sudan 's sack army chief 'confined juba home minister say