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@Rhue
Has it been extra hot in your neck of the woods lately? That could be the cause of the leaf scorch, and your tree may lose its leaves altogether. Other reasons could be improper watering, or wind scorch - I don`t expect it will be icy cold weather.
If the tree does lose its leaves, wait to see if it will recover by itself. Don`t water it, leave it fairly dry, and don`t give it any fertiliser either. Good luck.