Split screen co-op in Killzone 3?

Split screen co-op is always a nice feature, and something that a lot of people missed in Killzone 2. Now Nicagamerz say that they recieved a picture that would confirm that it's actually in Killzone 3, which would be a nice surprise. Of course, the picture doesn't tell us if it's co-op through the whole campaign, if it's a mode similar to Spec Ops in Call of Duty: Modern Warfare 2 or if the rather blurry image is actually a photograph of the Loch Ness-monster or a UFO.