German Chancellor Angela Merkel's conservative sister party, the Christian Social Union, which lost its majority in the Bavarian state parliament in Sunday's election, promises to back political stability in Berlin.
Chancellor Angela Merkel's Bavarian sister party said on Monday it would back political stability in Berlin after suffering big losses in a regional election which their far-right foes hailed as "an earthquake" that would rock the coalition government.
The conservative Christian Social Union (CSU) slumped to its worst election result in almost 70 years in Sunday's election in Bavaria and Merkel's other coalition partner, the centre-left Social Democrats (SPD) saw their support halve.
CSU leader Horst Seehofer, who is also interior minister in Merkel's loveless coalition, had hoped his anti-immigration rhetoric and criticism of Merkel's liberal asylum policies would help his party fend off a threat from the far-right in Bavaria.
But his strategy backfired as the CSU, which has ruled Bavaria for almost six decades, bled votes to the far-right Alternative for Germany (AfD) party and the ecologist Greens in equal measure.
"We will do our bit to ensure that the coalition can continue to do its work in a stable manner despite some of the comments that were made yesterday," Seehofer told reporters.
He was referring to angry CSU delegates who blamed their party's dismal showing on Merkel's decision in 2015 to welcome some one million, mainly Muslim, asylum seekers, which has fuelled the rise of the AfD.
Asked if his leadership of the CSU was in question, Seehofer said he would not discuss personnel matters in his party.
The AfD gleefully seized on the Bavarian election outcome as a sign of a broader, national malaise with Merkel's coalition, which has been shaken by a series of disputes, including over immigration, since it took power just seven months ago.
"We are very pleased because the goal for the Bavaria state election was to send an earthquake towards Berlin," Martin Sichert, AfD leader in Bavaria, told a news conference. "This earthquake happened ... we are now excited to see what the consequences will be here in Berlin."
The CSU also lost support to the Free Voters, a protest party of mainly conservative independents.
In Bavaria, the CSU will now try to form a coalition either with the Free Voters - its preferred option - or with the Greens who are ideologically distant.
Germany's ruling coalition was borne of necessity rather than choice after an inconclusive general election in September 2017.
The Bavarian election was also a wake-up call for the SPD, which saw its support halve to just under 10 percent, prompting a discussion over the sustainability of its alliance at national level with Merkel's conservative bloc.
SPD members are still bitter over their leaders' decision to join the Merkel-led government in Berlin after vowing before the 2017 election to sit in opposition if they lost to the conservatives. They are now demanding consequences.
SPD leader Andrea Nahles blamed her party's bad fortune in Bavaria on infighting between Merkel's Christian Democratic Union (CDU) and Seehofer's CSU at national level.
"It is obvious that the whole style of our cooperation must change," she told reporters. "One state election alone, as painful as it is, does not answer the question of whether the grand coalition is working. We urgently need to work on the style and communication and also on substantive progress."
Polls suggest the ruling parties will again be punished in two weeks' time in an election in the western state of Hesse, where they are expected to lose voters to the AfD and the Greens.
The state is ruled by Merkel's CDU in a coalition with the Greens and a slump in support for the conservatives there would almost certainly further weaken the chancellor's authority.
Merkel, who has been in power since 2005 and is Europe's most powerful leader, then faces further potential pitfalls in the form of a CDU conclave and the party's annual congress in early December.
The 64-year-old Merkel has won support from key conservatives in her bid for re-election as CDU chairwoman at the congress. But this could change if the CDU loses Hesse to an SPD-Greens coalition.
"If the CDU loses the government in Hesse, this will probably start a discussion within the CDU about Merkel's position," wrote mass-selling Bild.