4 years after the racist attack in Hanau: We mourn and remember.
Across Germany, thousands of people are taking to the streets to commemorate Gökhan Gültekin, Sedat Gürbüz, Said Nesar Hashemi, Mercedes Kierpacz, Hamza Kurtović, Vili Viorel Păun, Fatih Saraçoğlu, Ferhat Unvar and Kaloyan Velkov.