How a Soviet-era heating system exposes Ukraine to Russian attack – a visual guide

Damage to the Darnytsia thermal power plant in Kyiv after a Russian attack. Photograph: Sergei Grits/AP

Many Ukrainians are without heating in sub-zero temperatures as a result of relentless Russian strikes on energy infrastructure, while the country suffers through its coldest winter of the war so far.

Ukraine is especially vulnerable to such attacks, as Moscow can exploit a widespread Soviet-era heat system in which multiple apartment blocks rely on communal central heating.