A Russian warship fired warning shots on a cargo vessel in the Black Sea, the first time it has fired on merchant shipping beyond Ukraine's waters since it left a grain deal last month. It will do little to ease the jitters of shipping owners, commodity traders and insurers about getting ensnared in the Black Sea. Lucy Fielder reports.

https://www.theaustralian.com.au/news/russia-fires-warning-shots-on-cargo-ship-in-black-sea/video/0ba7e1a7e5d4b934343cf2e5a77479fd

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