Plank thug was out on licence when he battered elderly man to death

  A thug who battered a grandfather to death with a plank in front of his horrified wife and stepdaughter while on licence from prison was jailed for 12 years today (MON). Ben Harper, 21, knocked out 60 year-old Clemuth Roberts with the piece of wood before repeatedly punching him in the face as he lay defenceless in the street. Mr Roberts, a father-of-six and grandfather of 15, died of serious head injuries at the scene in Dagenham, east London,…