Possible Clues:

• Virginia must stop dog -- it's hard work
• Track laid round area -- very hard work
• Closing brief rant, back Labour
• There's trouble with the vat with the rail
• Work hard for a victory in track
• Work produced by Virginia in nature walk?
• Advance publicity about a very hard work
• What help can this be at last to your labours?
• Labour scent seizing a victory
• Painful or extremely hard work