Bug in Facebook App Accesses the Camera in the Background

The Facebook for iOS app appears to be accessing the iPhone or iPad's camera in the background when the app is in use, according to multiple reports on Twitter.The sliver of brown in this demo photo is the Facebook app accessing the camera behind the timeline.
When scrolling through the Facebook timeline, several users saw the camera activated in the background, as demonstrated in the tweets below.Found a @facebook #security & #privacy issue. When the app is open it actively uses the camera.