text: Dale Hart, 54, and Michael Smart, 37, both of Pencoed, and Christopher Bennett, 61, of Port Talbot, pleaded guilty to the production of cannabis.
  Newport Crown Court heard police found 692 plants worth around £800,000 at Queens Court, Bridgend Industrial Estate, during a raid last November.
  A proceeds of crime hearing will be held in October.
  The court heard police raided the unit after members of the public reported a strong smell of cannabis.
  Hart was sentenced to five years in prison, Smart was sentenced to three-and-a-half-years and Bennett was given four-and-a-half years.
target: Three men who ran a cannabis factory yards from police headquarters in south Wales have been jailed.