Boris Johnson told to change phone number amid access concerns EU preparing legal case against AstraZeneca over vaccine shortfalls Nicola Sturgeon's hopes of SNP Holyrood majority on a knife edge Covid passports to be available for summer holidays Tackling climate crisis is not a 'politically correct act of bunny hugging', Boris Johnson declares Coronavirus latest news: AstraZeneca blood clot risk doubles, data show, but benefits 'still outweigh risks' Subscribe to The Telegraph for a month-long free trial David Cameron wrote to the deputy governor of the Bank of England "to ask for your help" with Greensill Capital, after failing to get anywhere with the Treasury, documents released moments ago show. The former prime minister made multiple representations to Sir Jon Cunliffe, beginning in March 2020, as part of his work for the now-collapsed financial firm, according to 24 pages of documents released by the BoE. On April 3 2020 Mr Cameron wrote: "The request is simple - please include in the CCFF [Covid Corporate Finance Facility] the ability to purchase bonds issued in respect of supply chain finance." Mr Cameron claimed this would allow Greensill to "pump billions" into small firms, including every pharmacy working with the NHS. As his efforts failed to make progress, Mr Cameron wrote on April 22 2020, telling Sir Jon it was "incredibly frustrating". This morning MPs heard that Mr Cameron was part of "persistent" lobbying efforts made by the financial firm, which resulted in Treasury officials refusing "time after time" to do so. Sir Tom Scholar, the Treasury's permanent secretary, told the Public Accounts Committee: "We were approached quite persistently by this company and we listened to their proposals... but we decided to reject them all. " Mr Cameron's own involvement was "very limited engagement, over probably two weeks", the mandarin added. Follow the latest updates below.