Three more top officials at the Democratic National Committee, including the CEO, have resigned in the wake of last month's hacked email revelations, the Washington Post and Associated Press report.

CEO Amy Dacey was responsible for day-to-day operations at the DNC, the Post writes, and was involved in one of the most controversial email chains seen in the hacked emails, writing "AMEN" in response to an email that seemed to suggest questioning Bernie Sanders' religious beliefs as a political tactic. The two other high-ranking members of the DNC set to resign are CFO Brad Marshall and Communications Director Luis Miranda, according to the reports. Marshall sent the email about Sanders' religious beliefs.

The emails, released by Wikileaks, were a major embarrassment for the organization, which is meant to stay neutral in the primary race but appeared to favor Hillary Clinton in internal conversations. Security experts have since linked the hack to Russia, raising concerns of a foreign power attempting to sway a US election.

DNC Chair Debbie Wasserman Schultz stepped down soon after the emails were first posted online. The DNC later released a formal apology to Sanders, writing that the "comments do not reflect the values of the DNC or our steadfast commitment to neutrality during the nominating process."