Not 100% clear yet though more than likely given he has left - unless he does a dramatic disappearing act - stranger things have happened in soap!
It was a police assisted suicide (going as if to shoot at police surrounding where he was - dramatically on a balcony bit outside club after confessing to all the people he killed and one he didn't - so they would shoot him even though his gun wasn't actually loaded.
Sounds like a big weird Will storyline coming up! I saw some spoilers on Digital Spy but not sure how soon this particular event (given his general creepy behaviour) is happening - seems a little OTT in a way given the circumstances and people involved but that's soap I guess :)
Sounds like he is off to Hollywood, maybe hoping on the British/Irish Hollywood film villain thing :) He is with Jacqui in real life as I only found on a thread I posted on here so maybe they are both going to the US.