A driver drove a car into a labor union demonstration in central Munich on Thursday, injuring 30 people including children, authorities said. Officials said it was believed to be an attack.The suspect, an Afghan asylum-seeker, was arrested. The incident follows a series of attacks involving immigrants in recent months thathave pushed migrationto the forefront of the campaign for GermanysFeb. 23 election.Participants in a demonstration by the service workers union ver.di were walking along a street at about 10:30 a.m. when the suspects Mini Cooper overtook a police vehicle following the gathering, accelerated and plowed into the back of the group, police said.Officers arrested the suspect after firing a shot at the car, deputy police chief Christian Huber said. Some of the victims sustained serious injuries. The car, with a battered front and a shattered windshield, was lifted onto a tow truck late Thursday afternoon after investigators inspected it among debris including shoes.The suspect was a 24-year-old Afghan asylum-seeker, police said. Bavarias state interior minister, Joachim Herrmann, said said officials believe the protest was likely targeted at random.The states justice minister, Georg Eisenreich, said a prosecutors department that investigates extremism and terror was looking into the case.Police said the man, who they added lived in Munich and had a valid residence permit, was known to authorities from investigations in which he had been a witness because of a former job as a store detective.We feel with the victims, we are praying for the victims we hope very much that they all make it, Bavarian governor Markus Sder told reporters at the scene.It is suspected to be an attack a lot points to that, Sder added.Mayor Dieter Reiter said that children were among those injured.A string of recent attacksThe Munich incident comes three weeks after a 2-year-old boy and a man were killed in aknife attackin Aschaffenburg, also in Bavaria. An Afghan whose asylum application was rejected was the suspect in that attack, which propelled migration to the center of the German election campaign.The Aschaffenburg attack followed knife attacksin MannheimandSolingen last yearin which the suspects were immigrants from Afghanistan and Syria, respectively in the latter case, also a rejected asylum-seeker who was supposed to have left the country.In the December Christmas market car ramming in Magdeburg,the suspect was a Saudi doctorwho previously had come to various regional authorities attention.Demands for political consequencesGermanys main opposition conservative bloc, in which Sder is a prominent figure, hasdemanded a tougher approachto irregular migration, calling for many more people to be turned back at the border and for an increase in deportations. Curbing migration is also a core issue for the far-rightAlternative for Germany, which polls put in second place behind the conservatives.This is more evidence that we cant go from attack to attack and show dismay, thank police for their deployment, Sder said. This is not the first such act We are determined that something must change in Germany, and quickly.Alternative for Germanys co-leader, Alice Weidel, posted on social network X: Is this supposed to carry on forever? Migration turnaround now!Center-left Chancellor Olaf Scholzs government said it already has done a lot toreduce irregular migration, and that the oppositions plans are incompatible with German and European Union law.Scholz described the latest incident as a terrible attack.Anyone who commits crimes in Germany will not just be punished severely and have to go to prison, but must expect that he cannot continue his stay in Germany and that also goes for countries that it is very difficult to send people back to, he said.The chancellor noted that his government deported convicted criminals to Afghanistan ona flight in Augustand is working to do so again and not just once, but continually.Herrmann said the Munich suspects asylum application apparently had been rejected but it hadnt been possible to deport him.The Bavarian capital will see heavy security in the coming days because the three-day Munich Security Conference, an annual gathering of international foreign and security policy officials, opens on Friday.Herrmann said authorities do not believe the car ramming was connected to the conference, but they still need to determine the motive.Geir Moulson, Associated PressStefanie Dazio contributed to this report.