Avdiivka has fallen: How Ukraine defended the fortress city for five months against Russia

After seven years as a lynchpin of Ukraine’s eastern frontline, and five months of intense fighting, the fortress city is no more.

Russian forces swept in and raised their flags over Avdiivka 10 days ago, after pummelling Ukraine’s brave defenders into submission and forcing a retreat

This is how Ukraine defended Avdiivka for five months against Russia - and why they had to retreat