Chinese police kicked and beat a BBC journalist while detaining him for covering the biggest uprising there since the Tiananmen Square protests more than three decades ago. The British national broadcaster said it was “extremely concerned about the treatment” of Ed Lawrence, whose violent arrest in Shanghai was captured in disturbing videos shared online. “During his arrest, he was beaten and kicked by the police,” the BBC said of Lawrence, adding he was then “held for several hours before being released.” Lawrence himself noted a Swiss journalist was briefly detained and “at least one local national was arrested after trying...