By Jessica Frank-Keyes Former chief executive Paula Vennells has denied the Post Office used methods to “iron away” some “very disturbing complaints” while giving evidence to the Horizon IT scandal. Vennells, the former boss of the embattled organisation, made an emotional appearance at the official inquiry, which saw her break into tears on multiple occasions this morning. As she gave evidence on Wednesday, the 65-year-old ordained priest admitted she “made mistakes” but denied there was a conspiracy to cover up the scandal. Inquiry counsel Jason Beer KC asked Vennells about a 2013 email she …