▁batt alion ▁was ▁in ▁support ▁for ▁the ▁attack , ▁B ▁Company ▁adv ancing ▁to ▁' m op ▁up ' ▁behind ▁the ▁R angers ▁and ▁ 1 / 1 3 th ▁Lond ons ▁( K ens ing tons )), ▁the ▁remainder ▁moving ▁forward ▁in ▁the ▁afternoon ▁to ▁fill ▁a ▁gap ▁in ▁the ▁line ▁and ▁then ▁cons olid ate . ▁ ▁The ▁Ar ras ▁Off ensive ▁was ▁renew ed ▁on ▁ 3 ▁May ▁and ▁went ▁badly ▁for ▁ 5 6 th ▁Division , ▁but ▁ 1 6 8 th ▁B de ▁was ▁in ▁reserve ▁and ▁was ▁not ▁engaged . ▁The ▁following ▁day ▁it ▁took ▁over ▁the ▁whole ▁divis ional ▁front ▁under ▁heavy ▁shell fire . ▁In ▁ 1 0 ▁May ▁the ▁batt alion ▁was ▁ordered ▁to ▁clear ▁up ▁a ▁troubles ome ▁German ▁out post ▁at ▁' C aval ry ▁Farm '. ▁The ▁attack ▁was ▁made ▁without ▁any ▁increase ▁in ▁art illery ▁fire , ▁and ▁so ▁came ▁as ▁a ▁surprise ▁to ▁the ▁def enders ▁of ▁the ▁farm , ▁which ▁was ▁quickly ▁seized ▁and ▁cons olid ated . ▁ ▁Lang em ar ck ▁In ▁August ▁ 1 9 1 7 , ▁ 5 6 th ▁Division ▁moved ▁to ▁the ▁Y pres ▁Sal ient ▁to ▁take ▁part ▁in ▁the ▁second ▁phase ▁of ▁the ▁Third ▁Y pres ▁Off ensive ▁( the ▁Battle ▁of ▁Lang em ar ck ). ▁It ▁formed ▁the ▁right ▁fl ank ▁of ▁the ▁attack , ▁with ▁ 5 3 rd ▁B de ▁from ▁ 1 8 th ▁( E astern ) ▁Division ▁under ▁its ▁command ▁on