Clashes erupt at Mexico City march commemorating 1968 student massacrebr br Clashes erupted in Mexico City on Thursday during the annual march commemorating the 1968 student massacre in Tlatelolco, as thousands took to the streets with Palestinian flags and banners denouncing Israel’s military operations in Gaza.br br READ MORE : br Let the pictures do the talking: subscribe to No Comment br br No Comment is brought to you by euronews, the most watched news channel in Europe.