Second man held over gun murder

A SECOND man is being held over the murder of a Loyalist in a supermarket car park as his three-year-old son looked on. Colin Horner, 35, was shot by a lone gunman among crowds of shoppers outside Sainsbury’s near Bangor, County Down, on Sunday. Police arrested the 47-year-old in Newtownards last night. A 28-year-old man remains in custody.