He also added that he will stay in politics if Angela Merkel's CDU backs down in the two parties' deadlock over migration, DPA reports.

Update 2: Angela Merkel will be making a statement later in the night, confirming the severity of the situation.

Update: After several hours of negotiations, it appears that Chancellor Merkel and CSU leader Horst Seehofer have been unable to reach an agreement, and according to N-TV, Seehofer told the CSU board meeting the he will resign as Germany's interior minister and as CSU party chairman amid the clash over Germany's migration policy, sparing Merkel the need to fire him and potentially preserving the political alliance.