BILLIONAIRE Boots boss Stefano Pessina was warned yesterday that he has breached public trust in the company by berating Ed Miliband.

John Murphy, a former senior manager at Boots HQ who now leads a union that represents its staff, said that the outburst risked sparking a rift between the company, its customers and staff.

He told the Star: “Boots has always very careful not to take political sides because it didn’t want alienate at least half of its customers and workforce.