Exact price stamps will rise on April 7 - full list of Royal Mail price hikes / Critics accuse watchdog of 'surrendering' as Royal Mail allowed less Saturday deliveries / Royal Mail issues warning to Brits over last-minute Christmas deadline - key dates to note / 'At least 70' people in Post Office and Royal Mail knew of Horizon flaws, inquiry told / Royal Mail Owner IDS Nears Offer Price on Deal-Approval Optimism / Royal Mail Owner IDS Shares Trade Below Billionaire Kretinsky's Bid / Royal Mail Owner IDS Agrees to $4.6 Billion Takeover by EP / Paula Vennells shown damning text from ex-Royal Mail chief over Post Office scandal: 'I think you knew' / Many are mystified why a Czech billionaire wants to buy Royal Mail's owner / Czech's in the Royal Mail