The crash snarled downtown traffic as police blocked roads to clear the way for ambulances, and hundreds of gawkers gathered to watch as passengers were escorted from the subway.

追尾导致道路交通混乱，为了给救护车让路，警察把有些道路封死。数百名围观人员看着乘客从地铁站里被护送出来。

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At the regional training center near Kandahar city, it's clear the national police have a long way to go.

NPR: U.S. Launches Aggressive Training for Afghan Police