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 - Cost of first-class stamp to rise again to PS1.35, says Royal Mail