from:
thelocal.de
21.10: "We are all in a state of shock," Hubertus Breuer, a journalist who lives in Schwabing and has holed himself up at home with his wife, young child and two friends, told The Local.
"If this turns out to be people with an Islamic background this is the end of the welcome culture," he said, adding that after what happened in Würzburg where a seemingly well-integrated refugee went on a rampage with an axe, Germans would become extremely paranoid.
He added that there were still sirens in the street, having heard one five minutes previously in his quiet neighbourhood.
20:59: From AFP: Munich police warn of "acute terror situation", according to reports.
More helicopters have arrived and are circulating over the city, German media are reporting.
20:54: All motorists have been asked to avoid motorways leading to Munich, in order to allow emergency services vehicles free passage to the city.