Food traders remain sceptical of deal to export Ukrainian grain

Uncertainty over who would insure shipments through mined waters worsened by Russian attack on port

• Russia-Ukraine war: latest updates

Worries over insurance are the biggest obstacle to grain ships leaving Ukraine's Black Sea ports this week, exporters say.

Questions remain over whether insurance companies will be willing to insure the vessels as they navigate the mined waters, while buyers are hesitant to make new orders given the risk of Russian attacks.