# leading conservative politican in Germany is facing calls for an apology after he said immigration from what he called "alien cultures" should be stopped. The state premier of Bavaria, Horst Seehofer said people from Turkey and the Middle East found it diffficult to integrate into German society. He is the leader of the CSU - the Bavarian sister party of Chancellor Angela Merkel's CDU. Seehofer's comments have drawn sharp criticism.