Why India's train network is so deadly
Updated 0414 GMT (1214 HKT) January 23, 2017
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- Expert: India's rail system overstretched, overstressed
- 27,581 people died in rail accidents in India 2014
(CNN)Another deadly train derailment killed dozens in India on Saturday -- the latest in a string of fatal accidents to strike the so-called "lifeline of a nation."