Thousands of people joined pro-Kurdish demonstrations in a number of German cities, including Dortmund, Frankfurt and Bremen  on Tuesday evening, amid renewed clashes between Kurdish forces Syria and the country's military. The central German city of Frankfurt drew the biggest numbers, with police saying around 5,000 people took part.  Dortmund, in Germany 's west, attracted some 4,000 people, police there said. Most of the protesters in Dortmund were peaceful, police said, but clashes were