Apple kicked off its annual developers conference today, with its WWDC 2013 keynote. Here, we're bringing you photographs from the event as it happens.

Head over to our live blog to find out more.

Read more: WWDC 2016: Dates, how to get tickets and what to expect

Below: Apple's new Mac Pro

Below: Here's the new Mac Pro from the front...

See: New Mac Pro release date, UK pricing

Below: OS X 10.9 is called OS X Mavericks. No more big cats.

Below: tagging in OS X Mavericks

Below: Improved multiple displays in OS X Mavericks.

Below: Safari improvements coming up

Below: If you have an app that sends push notifications on iOS devices, you can sign up to receive those push notifications on your Mac as well.

Below: New OS X Mavericks Calendar

Below: iBooks and Maps are coming to the Mac with OS X Mavericks

See: 5 reasons why Mac OS X 10.9 Mavericks isn't named after a big cat

Below: iOS 7 unveiled

Below: The new iOS 7 lock screen

Below: surfing the web in iOS 7

Below: iOS 7 Control Center

Below: iTunes Radio in iOS 7

Below: AirDrop in iOS 7

Below: Photos in iOS 7

Below: Siri gets improvements in iOS 7

Below: As predicted, iOS has had a complete redesign

Below: Apple updates iWorks at WWDC 2013

Below: Apple updates MacBook Air at WWDC

See: New MacBook Air release date and UK pricing

Below: Tim Cook takes to stage

Below: Tim Cook arrives

Below: Our colleagues at Macworld and TechHive have taken their seats. This is the view at 17.30 BST.

More from WWDC:

Apple launches brand new, redesigned Mac Pro

New MacBook Air release date and UK pricing

Five reasons why Mac OS X 10.9 Mavericks isn't named after a big cat

Apple launches new MacBook Air with battery improvements, Haswell

Apple previews OS X Mavericks: tabbed Finder, multiple display support, Maps, Books and more

Apple iOS 7 announced at WWDC 2013

Apple's WWDC 2013 keynote in pictures

New Mac Pro release date, UK pricing

Apple announces iTunes Radio music streaming service

Apple to offer iWork in the Cloud to Mac and PC users

Will I be able to update to iOS 7 on my iPhone?

Apple gives the Mac Pro blazing fast PCIe flash

Mac OS X Mavericks (10.9) release date, UK pricing

Safari gets energy-efficient update in OS X Mavericks

Apple turns to developers to show off App Store strength

Intel's new Haswell chips may be hot, but not in a good way

Apple's law-enforcement critics 'appreciative' of new activation lock

iBooks to come to the Mac