Mike Nesbitt photobombs Stephen WalkerThis video can not be playedTo play this video you need to enable JavaScript in your browser.Mike Nesbitt photobombs Stephen WalkerCloseUlster Unionist leader Mike Nesbitt photobombs BBC Northern Ireland's Stephen Walker.SubsectionNorthern Ireland Election 2016Published5 May 2016Shareclose panelShare pageCopy linkAbout sharingRead description