"Be right back," a message states. "We're making updates to the Apple Store. Check back soon."
The store's hiatus is part of Apple's traditional buildup to events, as it prepares to add fresh products to its lineup. You'll be able to access it again after the event and potentially be able to preorder the newly announced devices.
CNET will have complete coverage of Tuesday's event, including live reporting and plenty of follow-up analysis.