Alexisonfire have announced via Twitter that work has begun on their fifth full-length.

The band Tweeted, "Wrote some new songs today. This shit’s so heavy it’s going to make dogs blood look like a ska record!!!”

The as-yet untitled album doesn't have a release date yet but will follow on from their 2010 'Dogs Blood' EP and their 2009 album 'Old Crows/Young Cardinals'.

More when we have it. Are you excited to hear that Alexisonfire sound like they will be taking a heavier direction?