They expressed frustration over the DNC’s break-up with American Federation of Teachers President Randi Weingarten and AFSCME President Lee Saunders — who between them represent millions of members — as the latest sign of a widening gap between party leadership and the labor movement, a once-core part of the Democratic coalition.

Democrats are becoming increasingly frustrated over Democratic National Committee (DNC) Chairman Ken Martin’s leadership and worsening infighting in the committee, Politico reported on Thursday. One anonymous DNC member told Politico they believe Martin — who was elected to the role in February — is “weak and whiny.

No plans to leave after Politico report included recording of Martin questioning his role over efforts of his vice chair.