The ranking Democrat on the House Intelligence Committee said late Wednesday afternoon that committee chair Devin Nunes (R-CA) broke with protocol by telling both the press and President Donald Trump that some of the Trump team’s communications may have been caught up in “incidental” surveillance during the transition.

In a sharply worded statement, Rep. Adam Schiff (D-CA) said it was a “profound irregularity” for Nunes to bring these claims to Trump in the middle of an ongoing investigation into Russia’s interference in the election, which includes a probe into ties between Trump allies and Russian officials.

Schiff said he and the other members of the committee were not aware of these reports until Nunes surfaced them today, and that he expressed his “grave concerns” to Nunes that his actions made it difficult to conduct “a credible investigation.”

Schiff’s full statement: