iPhone 8 and 8 Plus and iPhone X will be revealed here. This link has it live. So far they have revealed Apple Watch Series 3 with cellular (yes, you can call someone with a watch) and a 4K Apple TV.
EDIT: iPhone 8 and 8 Plus revealed and they are capable of AR gaming, most likely they were supposed to be the 7S and 7S Plus.
EDIT 2: IPHONE X REVEALED!