The Bavarian party allied to German Chancellor Angela Merkel's Christian Democrat Union (CDU) on Thursday welcomed the CDU's tougher stance on the integration of migrants but urged it to go further to restrict arrivals and up deportations.

The CDU and Bavaria's Christian Social Union (CSU) together form the conservative faction in the Bundestag lower house of parliament, but the two parties are at odds over how to deal with last year's record migrant influx to Germany of 890,000 people.

Their rift persists as the CDU wants to improve relations with the CSU ahead of a 2017 election and regain support lost to the far-right, anti-immigration Alternative for Germany (AfD).

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