s , ▁together ▁with ▁the ▁new ▁S per ry ▁Pred ict or ▁No ▁ 2 . ▁ ▁After ▁its ▁heavy ▁losses ▁so ▁far ▁during ▁the ▁Battle ▁of ▁Britain , ▁the ▁Luft wa ffe ▁changed ▁tact ics ▁and ▁started ▁bomb ing ▁London . ▁On ▁ 9 ▁September , ▁ 1 2 ▁H AA ▁B ty ▁left ▁ 8 0 ▁H AA ▁R gt ' s ▁command ▁and ▁went ▁to ▁strength en ▁the ▁London ▁Inner ▁Art illery ▁Zone ▁( IA Z ). ▁As ▁the ▁ra ids ▁against ▁London ▁w ors ened , ▁R H Q ▁of ▁ 6 ▁H AA ▁R gt ▁with ▁two ▁sections ▁of ▁ 2 5 0 / 8 0 ▁H AA ▁B ty ▁were ▁brought ▁from ▁Kent ▁on ▁ 1 4 ▁September ▁to ▁take ▁over ▁more ▁sites ▁in ▁the ▁London ▁I A Z . ▁Lar ge ▁day light ▁ra ids ▁against ▁London ▁on ▁ 1 5 ▁September ▁were ▁intercept ed ▁by ▁Royal ▁Air ▁Force ▁( RA F ) ▁f igh ters , ▁but ▁there ▁were ▁few ▁spare ▁f igh ters ▁to ▁deal ▁with ▁the ▁simultane ous ▁attacks ▁on ▁the ▁South ▁Coast , ▁of ▁which ▁the ▁guns ▁of ▁ 5 ▁AA ▁Division ▁had ▁to ▁bear ▁the ▁br unt . ▁ ▁The ▁Bl itz ▁After ▁the ▁defeat ▁of ▁ 1 5 ▁September ▁the ▁Luft wa ffe ▁concentr ated ▁on ▁night ▁ra ids ▁– ▁the ▁London ▁Bl itz ▁– ▁which ▁went ▁on ▁night ▁after ▁night . ▁However , ▁there ▁were ▁also ▁five ▁major ▁ra ids ▁on ▁Port sm outh ▁and ▁five ▁more ▁on ▁South