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Nine years ago, on 15 March 2011, Syria descended into war.

The Syrian civil war has destroyed some of the oldest cities in the world, killed upwards of half a million people, and created the greatest refugee crisis since WWII.

Nine years on, the fighting continues. Here is a breakdown of who is involved, why they are fighting, and what to watch as the war enters its tenth year.

Read more: https://www.standard.co.uk/news/world/syrian-war-nine-year-anniversary-a4387781.html