Pieter Omtzigt will not return to the CDA. He announced this on X, formerly Twitter. "As has often been said, the book with the CDA is closed," he said. CDA chairman Hans Huibers had sent Omtzigt a letter asking him to join the CDA, AD reported on Saturday. "But of course, I am happy to continue working with all parties to realize my ideas and ideals for the Netherlands," he wrote on X.