▁but ▁the ▁prepar ations ▁were ▁dis rupted ▁by ▁four ▁German ▁counter - att acks ▁starting ▁at ▁ 2 2 . 3 0 . ▁Event ually ▁the ▁attack ▁began ▁at ▁ 0 3 . 1 0 ▁on ▁ 1 6 ▁June , ▁with ▁ 2 / 1 st ▁on ▁the ▁right , ▁ 2 / 2 nd ▁in ▁the ▁centre ▁and ▁ 2 / 4 th ▁on ▁the ▁left . ▁The ▁attack ▁succeeded ▁in ▁establish ing ▁itself ▁in ▁the ▁H inden burg ▁Support ▁Line . ▁Here ▁they ▁were ▁again ▁counter - att ack ed ▁and ▁messages ▁sent ▁back ▁for ▁art illery ▁support ▁failed ▁to ▁get ▁through ; ▁by ▁the ▁end ▁of ▁the ▁day ▁the ▁brig ade ▁was ▁back ▁at ▁the ▁H inden burg ▁Front ▁Line , ▁where ▁it ▁held ▁on ▁until ▁rel ieved ▁by ▁ 1 7 4 th ▁B de ▁at ▁ 0 2 . 3 0 ▁on ▁ 1 7 ▁June . ▁Cas ual ties ▁for ▁the ▁two ▁days ▁amount ed ▁to ▁ 4 9 ▁officers ▁and ▁ 9 5 5 ▁other ▁rank ▁ ▁Y pres ▁ ▁After ▁a ▁period ▁of ▁further ▁training , ▁labour ing ▁and ▁tren ch ▁holding ▁near ▁Ar ras ▁and ▁then ▁at ▁Hav r inc ourt ▁the ▁ 5 8 th ▁Division ▁moved ▁to ▁the ▁Y pres ▁Sal ient ▁in ▁late ▁August ▁ 1 9 1 7 . ▁ 1 7 3 rd ▁Brigade ▁took ▁over ▁the ▁division ' s ▁front age ▁on ▁ 1 1 / 1 2 ▁September . ▁In ▁prepar ation ▁for ▁the ▁attack ▁of