Police have confirmed they have received calls regarding "celebrations'' in parts of Auckland, particularly in Otahuhu, where vehicles decked out in national flags have been lining the streets and beeping horns continuously.
Groups of supporters have also turned out in force on a daily basis.
After Mate Ma'a Tonga's thrilling win against Scotland on Sunday, legions of fans and supporters turned out to the streets of Otahuhu to celebrate.