At 17:52 CEST (15:52 UTC), a gunman opened fire at a McDonald's west of the Olympia shopping mall in the Moosach district of Munich, Germany. Despite initial reports of multiple attack sites, police could not confirm attacks in any other locations besides the shopping area.
An early witness talking to CNN correspondent Doug McConnell on the phone claimed that the gunman had shouted "Allahu Akbar!" Identified only by her first name Lauretta, the woman's account has not been verified by other witnesses or the police, though it was widely disseminated in the media.
A video distributed online showed a gunman firing at pedestrians outside McDonald's. He then moved on to the shopping mall itself. Another video showed the gunman walking alone on the roof of a nearby car park before opening fire again. He was heard shouting "I am German" (Ich bin Deutscher) and "I was born here" (Ich bin hier geboren) after an onlooker shouted anti-Turkish statements and other abuse at him. According to Frankfurter Allgemeine Zeitung, the gunman also shouted back "Shit Turks". However, it is still not clear who started the anti-Turkish insults.
An urgent warning was issued to avoid the Karlsplatz ("Stachus"), due to reports of multiple shootings occurring there. Munich police had received information about an attack at Karlsplatz, but after arriving there, announced that the information was false. Drivers were advised not to pick up any passengers. People in Munich were warned by the police to stay at home and avoid crowds and public squares.
Following initial reports of shots being fired, some 2,300 officers were deployed throughout Munich from the greater area and surrounding states. A manhunt was soon initiated. Munich police urged residents not to leave their homes until further notice. The special operations police unit GSG 9 was deployed. Other regions of Germany, Austria, and Switzerland were asked to assist in the investigation. A backpack was found apparently matching the one carried by the gunman at McDonald's. Police reportedly used a robot to investigate it, and a total of 300 rounds were found inside. Police officials warned of "an acute terror situation" and initially thought that there were up to three attackers, but later confirmed that there was only one gunman.