mor ning ▁the ▁following ▁day . ▁ 1 7 3 rd ▁Brigade ▁was ▁rel ieved ▁on ▁ 2 0 ▁September . ▁ ▁P urs uit ▁to ▁the ▁Sch eld t ▁ 5 8 th ▁Division ▁returned ▁to ▁the ▁line ▁north ▁of ▁the ▁Sc ar pe ▁between ▁L ens ▁and ▁Lo os ▁on ▁ 3 0 ▁September . ▁On ▁ 2 ▁October ▁it ▁was ▁found ▁that ▁the ▁Germ ans ▁had ▁with dra wn ▁on ▁this ▁front ▁during ▁the ▁night ▁and ▁ 1 7 3 rd ▁B de ▁was ▁pushed ▁forward ▁through ▁the ▁day . ▁After ▁mid night ▁it ▁pushed ▁on ▁again ▁until ▁its ▁pat rol s ▁found ▁the ▁new ▁German ▁def ences ▁at ▁the ▁O ppy – Mer ic ourt – P ont ▁á ▁V end in ▁Line . ▁ ▁The ▁Germ ans ▁with d rew ▁further ▁to ▁the ▁D roc ourt – Que ant ▁Switch ▁Line ▁on ▁ 9 ▁October , ▁but ▁the ▁village ▁of ▁No y elles ▁still ▁held ▁out , ▁until ▁ 1 7 3 rd ▁B de ▁helped ▁ 3 7 th ▁B de ▁to ▁capture ▁it . ▁On ▁ 1 1 ▁October , ▁the ▁brig ade ▁received ▁its ▁orders ▁late , ▁but ▁advanced ▁about ▁a ▁mile ▁with ▁the ▁support ▁of ▁the ▁divis ional ▁art illery ▁to ▁take ▁H arn es ▁F oss es ▁( co al - min es ) ▁without ▁opposition . ▁The ▁following ▁day ▁ 1 7 3 rd ▁and ▁ 1 7 5 th ▁B des ▁took ▁H arn es ▁and ▁the ▁Ann ay ▁Switch ▁line