"1992 violent xenophobic riots" . . "Riot of Rostock" . . . . . . "Rostock-Lichtenhagen riots" . . "Rostock-Lichtenhagen riots" . "xenophobic riots broke out" . . . . . "racist pogroms in the 1990s" . . . . . . "Lichtenhagen riots" . . . . "1992 Rostock-Lichtenhagen riots" .