PARIS (Reuters) – The European Union could buy several million tonnes of Ukrainian grain and channel it to vulnerable countries as food aid, the head of French industry group Intercereales said. Russia’s invasion has disrupted Ukraine’s massive agricultural exports, raising the risk of a global food crisis. Diplomats have been trying to negotiate a sea corridor from Ukraine’s Black Sea ports, while also looking at how to develop alternative export routes before Ukraine’s new harvest arrives. In France, the government has been in talks with industry representatives including Intercereales to pr…