Syrian forces used gas attacks as key part of campaign to retake Aleppo, Human Rights Watch says

Syrian forces used gas attacks as key part of campaign to retake Aleppo, Human Rights Watch says

https://www.washingtonpost.com/news/checkpoint/wp/2017/02/13/syrian-forces-used-gas-attacks-as-key-part-of-campaign-to-retake-aleppo-human-rights-watch-says/?utm_term=.95e9b10ce12d

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https://www.youtube.com/watch?time_continue=14&v=bYykubHIDJU 

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