Possible Clues:

• The cost of installing coops in a river
• Cost of keeping swans in the river
• Four less in costly charge
• Cost of writers in flower
• Charge
• Cost unknown but not much, we hear
• Former wife put on pounds, sweetheart's loss
• Damage caused by writer of yesterday's leader in Express
• Outside prison, siege ends after charge
• Writers stuck in Devon water? There's a price to pay