here“It was simply terrible,” mayor Wolfram Leibe told n-tv television after visiting the site on Tuesday.Mr Leibe said the perpetrator “drove through the pedestrian zone, clearly at high speed, and killed several people and injured several, some of them seriously”.The driver is being questioned by police, he said.“I don’t want to speculate, but all of us are asking ourselves … what drives a person to do something like this?” Mr Leibe said.“Of course I don’t have an answer to this question.”The