A friendly exchange between Sky buddies Kevin Maguire and Andrew Pierce was rudely interrupted last night by a tetchy Bad Al Campbell.

The proxy war between Blairites (Campbell) and Brownites (Maguire) will run and run.

The needling is sharp:

@campbellclaret @toryboypierce @SkyNews Stop it Comical Ali or I'll mention WMD, Iraq, David Kelly…

— Kevin Maguire (@Kevin_Maguire) January 13, 2014

@campbellclaret @toryboypierce @SkyNews Are you keeping a dossier on this?

— Kevin Maguire (@Kevin_Maguire) January 13, 2014

@campbellclaret @toryboypierce @SkyNews Court restrictions prevent me adding other names. Off you go

— Kevin Maguire (@Kevin_Maguire) January 13, 2014

Ouch.