A man has deliberately driven a 4×4 into a crowd of shoppers in Austria on Saturday, killing three people and injuring dozens of others.<br /><br /> A four-year-old boy was among the victims of the attack which took place in the country’s second largest city, Graz.<br /><br /> Ten people are reported to be in a serious condition.<br /><br /> Reports suggest the car sped through two historic streets at a speed of over 100 kilometres per hour.<br /><br /> One witness said the man was laughing as he carried out the attack while others described how several people were sent flying over the vehicle.<br /><br /> Police have ruled out terrorism and local media reported that the perpetrator was recently estranged from his wife.<br /><br /> The Austria Press Agency cited a police source as saying the driver showed symptoms of “psychosis”.<br /><br /> The man – an Austrian with Bosnian roots – has been arrested.<br /><br /> Hermann Schützenhöfer, State Prime Minister of Styria told a news conference: “There is no explanation for this; no excuse for this. We will do everythi
