Tens of thousands of people are expected to attend an anti-racism concert in Chemnitz, eastern Germany, following a week of far-right and anti-fascist protests triggered by the fatal stabbing of a German-Cuban man.

The event on Monday comes a day after Justice Minister Heiko Maas said that German society had become “too comfortable” and urged the “silent majority” to speak out louder against anti-immigrant voices across the country.

“Sometimes we must get up from the sofa and open our mouths,” Maas said in an interview with German newspaper BILD on Sunday, adding in a tweet: “When the Hitler salute is shown on our streets, that is a disgrace for our country. We must stand up against neo-Nazis and anti-Semites. The silent majority must at last become louder.”

Maas was speaking during a second weekend of protests in Chemnitz that saw more than 11,000 people take to the streets according to state police – the biggest gathering since the death of the man identified by police as Daniel H, who died last Sunday.

Several days of demonstrations and counter-demonstrations followed in the biggest mobilization over immigration in Germany in recent months. Some protesters were photographed giving the outlawed Nazi salute and others were seen chanting racist slogans such as “Germany for the Germans”.

Thousands of anti-fascist protesters were also on the streets, calling for an end to incitement against Muslims and carrying placards with the words, “no place for Nazis.”

Following criticism that they had underestimated the numbers likely to attend protests in Chemnitz last week, state police initially deployed more than 1,800 officers and a further 200 were relocated to Chemnitz during the demonstrations.

According to police, 18 people were injured and 37 possible crimes are being investigated, including assault charges and property damage.

On Sunday, around 800 people took to the streets to march against racism after a call to action by the city’s church community. Police said the event was “peaceful and free of trouble.”

Authorities are now preparing for Monday’s “#wirsindmehr” concert, which translates to “there are more of us.”

“Thousands of people have been moving through the streets of Chemnitz, exploiting a senseless death for their own purposes and hunting people because of their origin or the colour of their skin,” the organizers wrote in a description of the event. “Racism should not be left uncontested on the street.”

The concert, which organizers say is not a “festival or a party” but a chance to “show solidarity with all those who have been attacked by neo-Nazis,” will begin with a one-minute silence in memory of Daniel H.

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