It looks like it's been taken in the back room of a dingy pub it's so dark, but this is official footage taken by Capcom and it does give you an idea of the different enemy types we'll face and offers a decent look at the split-screen co-op mode.
Dim the lights folks - you'll need to - and take a look at this...
Resident Evil: Operation Raccoon City is set to release later this year on Xbox 360 and Playstation 3.