▁Pav le ▁def ends ▁an ▁attack ▁by ▁his ▁cousin ▁and ▁By z antine ▁al ly ▁Z ah ar ija . ▁ ▁Z ah ar ija ▁is ▁handed ▁over ▁to ▁Sym e on ▁of ▁Bulg aria . ▁ ▁Prince ▁Pav le ▁switch es ▁to ▁By z antine ▁support . ▁▁ 9 2 1 – 9 2 2 ▁ ▁Z ah ar ija ▁is ▁dispatch ed ▁with ▁Bulgar ian ▁troops ▁and ▁there ▁is ▁no ▁more ▁mention ▁of ▁Pav le . ▁ ▁Z ah ar ija ▁becomes ▁the ▁Ser bian ▁Prince . ▁ ▁Z ah ar ija ▁rev ows ▁his ▁loyal ty ▁to ▁the ▁By z antine ▁Empire . ▁▁ 9 2 3 ▁ ▁Z ah ar ija ▁un ited ▁several ▁S lav ▁tribes ▁along ▁the ▁common ▁border ▁to ▁revol t ▁against ▁Bulg aria . ▁Sym e on ▁sent ▁an ▁ins u fficient ▁number ▁of ▁troops ▁to ▁qu ell ▁the ▁reb els ; ▁several ▁Bulgar ian ▁gener als ▁were ▁killed , ▁their ▁heads ▁and ▁weapons ▁were ▁sent ▁to ▁Constantin ople ▁by ▁Z ah ar ija ▁as ▁g ifts ▁and ▁signs ▁of ▁loyal ty ▁▁ 9 2 4 ▁ ▁Č as lav ▁is ▁dispatch ed ▁with ▁Bulgar ian ▁troops , ▁forcing ▁Z ah ar ija ▁into ▁ex ile ▁in ▁Cro atia . ▁ ▁Sym e on ▁summ ons ▁the ▁Ser bian ▁nob ility , ▁to ▁pay ▁hom age ▁to ▁their ▁new ▁Prince , ▁Č as lav , ▁but ▁instead ▁of ▁inst ating ▁him , ▁Sym e on ▁takes ▁them ▁capt ive , ▁an nex ing ▁Ser bia