▁making ▁it ▁the ▁second ▁highest - g ross ing ▁tour ▁of ▁ 2 0 1 5 . ▁▁ 2 0 1 5 – 2 0 1 8 : ▁Mal ik ' s ▁departure , ▁Made ▁in ▁the ▁A . M . ▁and ▁hi atus ▁ ▁On ▁ 2 5 ▁March ▁ 2 0 1 5 , ▁the ▁band ▁released ▁a ▁statement ▁announ cing ▁Mal ik ' s ▁departure . ▁The ▁group ▁made ▁their ▁first ▁official ▁public ▁appearance ▁as ▁a ▁four - pie ce ▁on ▁The ▁Late ▁Late ▁Show ▁with ▁James ▁C orden ▁on ▁ 1 4 ▁May , ▁where ▁they ▁confirmed ▁that ▁they ▁would ▁continue ▁working ▁without ▁a ▁new ▁fifth ▁member . ▁The ▁On ▁the ▁Road ▁Again ▁tour ▁concluded ▁on ▁ 3 1 ▁October ▁ 2 0 1 5 ▁after ▁playing ▁eight y ▁shows ▁in ▁Australia , ▁Asia , ▁Africa , ▁Europe , ▁and ▁North ▁America . ▁G ross ing ▁$ 2 0 8 ▁million , ▁over ▁ 2 . 3 ▁million ▁tick ets ▁were ▁sold . ▁ ▁On ▁ 3 1 ▁July ▁ 2 0 1 5 , ▁the ▁group ▁released ▁" Drag ▁Me ▁Down " ▁without ▁prom ot ional ▁material ▁or ▁announ cement . ▁Despite ▁this , ▁it ▁still ▁to pped ▁the ▁charts ▁in ▁multiple ▁countries , ▁including ▁France ▁and ▁Australia , ▁making ▁the ▁song ▁their ▁first ▁single ▁to ▁reach ▁number ▁one ▁in ▁those ▁respective ▁countries . ▁It ▁also ▁reached ▁number ▁one ▁in ▁multiple ▁other ▁countries , ▁including ▁Ireland ▁and ▁the ▁UK , ▁while ▁chart ing ▁third ▁in ▁the ▁United ▁States