th ▁Lond ons ' ▁CO ▁( Act ing - L t - Col ▁V . H . ▁Se yd , ▁then ▁Col ▁V ick ers ▁Dun fe e ) ▁commanded ▁a ▁force ▁at ▁Ben i ▁Maz ar ▁on ▁the ▁railway ▁line ▁consisting ▁of ▁H Q ▁and ▁three ▁companies ▁of ▁the ▁ 2 / 4 th ▁and ▁two ▁companies ▁of ▁the ▁ 2 / 2 nd ▁Lond ons ▁with ▁det ach ments ▁of ▁L ovat ' s ▁Sc outs , ▁Australian ▁Light ▁Hor se , ▁Royal ▁Engine ers ▁and ▁an ▁arm oured ▁train . ▁The ▁other ▁company ▁of ▁the ▁ 2 / 4 th ▁guard ed ▁a ▁bridge ▁over ▁the ▁B ahr ▁Y us sef . ▁ ▁The ▁ 2 / 4 th ▁was ▁with dra wn ▁from ▁Ben i ▁Maz ar ▁in ▁April ▁ 1 9 1 6 ▁and ▁returned ▁to ▁Alexand ria , ▁where ▁the ▁ 2 / 1 st ▁London ▁Brigade ▁concentr ated ▁under ▁the ▁command ▁of ▁Col ▁Dun fe e . ▁On ▁ 1 7 ▁April ▁the ▁brig ade ▁emb ark ed ▁on ▁H MT ▁Trans ylvan ia ▁and ▁sa iled ▁to ▁Marse illes . ▁ ▁New ▁ 2 / 4 th ▁Battalion ▁Once ▁in ▁France , ▁the ▁ 2 / 1 st ▁London ▁Brigade ▁moved ▁to ▁Rou en , ▁where ▁it ▁was ▁dis band ed . ▁By ▁ 2 0 ▁June ▁all ▁of ▁the ▁' Old ▁ 2 / 4 th ' ▁B n ▁had ▁been ▁draft ed ▁to ▁the ▁ 1 / 4 th ▁B n ▁prepar ing