BOSTON (CBS/AP) – Senator Elizabeth Warren and her Republican challenger state Rep. Geoff Diehl have agreed to three debates before the November election.

The first one is scheduled for Oct. 19 on WBZ-TV. That will be followed by an Oct. 21 debate sponsored by a consortium of western Massachusetts media outlets. The third debate will be held Oct. 30.

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Sen. Elizabeth Warren and State Rep. Geoff Diehl. (WBZ-TV.)

Diehl defeated two other candidates to win the Republican nomination Tuesday.

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Warren is hoping to win a second six-year term in the U.S. Senate.

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(© Copyright 2018 CBS Broadcasting Inc. All Rights Reserved. The Associated Press contributed to this report.)