From CNN Congressional Correspondent Dana Bash and CNN Producer Lindy Royce

WASHINGTON (CNN) -- House Minority Leader Nancy Pelosi, D-California, called on the House Ethics Committee Sunday to immediately question House GOP leaders under oath about their knowledge of Rep. Mark Foley's, R-Florida, e-mail conversations with House pages.

Foley resigned his seat Friday, after it was reported by ABC News that he had sexual conversations with underage House pages. Some GOP leaders have acknowledged being aware of Foley's contact with a page before the story broke last week, but deny knowing the extent or content of his e-mail conversations.

Full letter:

October 1, 2006

Chairman Doc Hastings

Ranking Member Howard L. Berman
Committee on Standards of Official Conduct
U.S. House of Representatives Washington, DC 20515

Dear Chairman Hastings and Ranking Member Berman:

On Friday, I offered and the House unanimously passed a resolution directing the Ethics Committee to begin an immediate investigation and provide the House with a preliminary report in 10 days concerning allegations about Congressman Mark Foley's highly inappropriate and explicit communications with a former underage Page. The resolution called for an investigation of "when the Republican leadership was notified, and what corrective action was taken once officials learned of any improper activity."

Since that resolution unanimously passed, Republican Leaders have admitted to knowing about Mr. Foley's outrageous behavior for six months to a year, and they chose to cover it up rather than to protect these children.

As the author of the resolution that the House unanimously passed, I am writing to insist that the Ethics Committee act as directed and immediately form the investigative Subcommittee and begin work on the preliminary report in 10 days. Central to the investigation is immediately questioning, under oath, the House Republican Leadership.

It is a nightmare for every child, parent and grandparent to learn that a child is being stalked on the internet by an adult in a position of authority. The fact that Mr. Foley was engaging in this behavior with underage children, that the Republican Leadership knew about it for six months to a year and has characterized the inappropriate behavior as "overly friendly" and "acting as a mentor" and that apparently no action was taken to protect these underage children is abhorrent.

The children, their parents, the public, and our colleagues must be assured that such abhorrent behavior is not tolerated and will never happen again.

Sincerely,

NANCY PELOSI