A car travelling at high speed ran over several people who were on a school trip in the Italian region of Tuscany, killing two German teenagers on the spot, local authorities said on Thursday. Seven people were injured, Italian police said a day after the accident occurred. Seven people were injured and a woman remains in critical condition. Of those who were injured, one is a German student and three are French. The critically injured woman was around 60 years old, according to reports. The German students were part of a school trip that came to Tuscany last Friday to mark their graduation fr…