HMRC: Beware of tax rebate text message scams   Stagecoach calls for inquiry after rail bid document leak   Pet insurance payouts hit record of £785m   National Enquirer sold to US magazine distributor   Debenhams boss Bucher steps down   Pinterest shares soar in stock market debut   ConocoPhillips sells off UK North Sea assets for £2bn   Retail sales boosted by mild weather in March   Crossrail 'could be delayed until 2021'   Facebook copied email contacts of 1.5 million users