Local papers such as the Beijing Times look back on the incidents leading to Liu Zhijun's downfall, including a major crash in Shandong province in April 2008 which killed 70 people, and last year's rapid train crash in Wenzhou, Zhejiang, leaving 40 dead.

BBC: China morning round-up: Railway corruption

Mr Bo's penchant for ginkgos was particularly lucrative for Xincun, a township of 36, 000 people in Linyi prefecture, which, like Qingdao, is in coastal Shandong province, more than 1, 600km (1, 000 miles) by road from Chongqing.

ECONOMIST: Plans to create greener cities are pruned