WASHINGTON - Secretary of State John Kerry has agreed to testify before the House Oversight Committee on its investigation into the 2012 attack on the US diplomatic compound in Benghazi, Libya, according to a State Department letter obtained by Reuters.



Kerry was subpoenaed to testify on May 29, but the letter said prior commitments would prevent his appearance. Kerry offered two other dates - June 12 or June 20 - for his testimony, and asked the committee to withdraw its subpoena, the letter said.



If Kerry testifies before the House of Representatives Oversight Committee, the letter said, it should remove any need for the secretary to appear before a House Select Committee that was formed recently to look into the Benghazi incident.



Four Americans, including US Ambassador Christopher Stevens, were killed in the attacks.



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