Ros Altmann, a former pensions minister, publicly criticizes a US firm in connection with an Aviva-related matter, saying “my blood is boiling.” The Daily Mail reports that her comments are aimed at increasing pressure on the UK Financial Conduct Authority (FCA) to take action. According to the provided coverage, Altmann’s intervention is intended to draw regulators’ attention to the issues she raises around how the firm has handled the situation involving Aviva. The article frames her statements as part of an effort to prompt an appropriate regulatory response from the FCA, rather than as a direct court or enforcement action. The information supplied does not include detailed specifics about the alleged conduct, any investigation status, or the exact regulatory concerns being referenced. Based on the sources available here, the central points are that Altmann is voicing strong criticism of the US firm, linking her remarks to concerns about Aviva, and calling for the FCA to act.