, ▁ ▁north ▁of ▁B aille ul . ▁On ▁ 1 4 ▁October , ▁the ▁caval ry ▁advanced ▁north - east wards , ▁occupied ▁D ran out re ▁and ▁K em mel ▁against ▁slight ▁opposition , ▁then ▁reached ▁a ▁line ▁from ▁D ran out re ▁to ▁W yt sch a ete , ▁linking ▁with ▁the ▁ 3 rd ▁Caval ry ▁Division ▁of ▁IV ▁Corps , ▁which ▁had ▁been ▁operating ▁in ▁Belg ium ▁since ▁early ▁October . ▁ ▁On ▁ 1 5 ▁October , ▁Est aires ▁was ▁captured ▁by ▁French ▁caval ry ▁but ▁the ▁Germ ans ▁prevent ed ▁an ▁advance ▁beyond ▁Com ines , ▁ ▁west ▁of ▁Men in , ▁where ▁German ▁troops ▁had ▁arrived ▁during ▁the ▁night . ▁A ▁fo oth old ▁was ▁gained ▁at ▁War net on ▁and ▁German ▁out posts ▁west ▁of ▁the ▁Y pres – Com ines ▁canal ▁were ▁pushed ▁back ▁to ▁the ▁far ▁side . ▁By ▁ 1 6 ▁October , ▁the ▁Caval ry ▁Corps ▁and ▁the ▁ 3 rd ▁Caval ry ▁Division ▁held ▁the ▁L ys ▁river ▁from ▁Ar ment ières ▁to ▁Com ines ▁and ▁the ▁Com ines ▁canal ▁to ▁Y pres . ▁The ▁BE F ▁was ▁ordered ▁to ▁make ▁a ▁general ▁advance ▁on ▁ 1 6 ▁October , ▁as ▁the ▁German ▁forces ▁were ▁falling ▁back . ▁The ▁caval ry ▁were ▁ordered ▁to ▁cross ▁the ▁L ys ▁between ▁Ar ment ières ▁and ▁Men in ▁as ▁the ▁III ▁Corps ▁advanced ▁north - east ▁to ▁gain ▁touch ▁with ▁the ▁ 7 th ▁Division ▁near ▁Y pres . ▁ ▁F og