Roy Keane has been confirmed as Aston Villa's new assistant manager.

The club have reached an agreement with the Corkman that will see him stay in his role as assistant manager to Ireland boss Martin O'Neill.

Villa manager Paul Lambert welcomed the announcement:

Paul Lambert: "I'm really looking forward to working with Roy and I'm delighted that he's here.” #AVFC #WelcomeRoy

— Aston Villa FC (@AVFCOfficial) July 1, 2014

Meanwhile the FAI confirmed that Keane would remain part of O'Neill's Ireland setup:

Roy Keane will remain with @FAIreland and combine Assistant Manager role with Paul Lambert @AVFCOfficial #COYBIG

— FAI (@FAIreland) July 1, 2014

FAI Chief Executive John Delaney said, "We met with Martin and Roy to discuss retaining Roy’s on and off the field responsibilities with the Irish team and becoming Assistant Manager at Aston Villa. Both Martin and I have spoken to Paul Lambert and we are comfortable that this agreement will work well for us and the Irish team."

Keane added: "I am looking forward to linking up with Paul Lambert at Aston Villa and thank Martin and the FAI for giving me the opportunity to do so. I remain totally committed to my job with the Republic of Ireland and all that it involves. This agreement promises to be an exciting challenge and will give me an opportunity to continue developing my coaching skills on a daily basis that should ultimately benefit everyone."