Sky News has gone through an extensive verification process to corroborate this video using other geolocated videos from the area. We believe it shows a missile strike on a Ukrainian air base in Ivano-Frankivsk.

Meanwhile, an adviser in Ukraine's presidential office says there have been civilian casualties and more than 40 soldiers have been killed while several dozen have been injured.

This information has come directly from the Ukrainian Government.

For the latest developments from Ukraine:
https://news.sky.com/story/explosions-reported-near-kyiv-after-putin-authorises-military-operation-in-ukraine-ukraine-latest-12541713

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