Senior Democratic members of Congress are considering action against top emissaries of the Israeli government and the Trump administration for their roles in Israel’s decision to bar two House members from entering the country.

About a dozen lawmakers, including senior Jewish members, began discussions on Friday morning over ways to communicate a “deep lack of confidence and trust” in Israel’s ambassador to Washington, Ron Dermer, and the U.S. ambassador to Israel, David Friedman, according to two sources familiar with the discussions.

The group is weighing issuing a statement of no confidence in Dermer and opening an inspector general investigation into Friedman’s conduct, the sources said.