Multiple web search results report that Zenziper, an Israeli grain importer, postponed or rejected the unloading of a shipment of grain allegedly originating from Russian-occupied Ukrainian territories, following diplomatic tensions between Ukraine and Israel. The claim accurately summarizes the core event reported by multiple independent sources.

Multiple web search results confirm that Ukraine demanded Israel halt the import and unloading of grain allegedly stolen by Russia from temporarily occupied Ukrainian territories, triggering a diplomatic dispute. This aligns with the normalized claim.

Multiple web search results report that the vessel Panormitis was involved in a dispute over grain in Haifa and that its current position and movement were topics of discussion. One source specifically mentions the vessel's movement away from Haifa, and others discuss its approach and status, corroborating the general movement and unknown final destination context.

Multiple web search results confirm that the Panama-flagged vessel Panormitis arrived in or entered Haifa Bay around the specified timeframe (April 25-26).

Multiple web search results, citing Ukrainian sources, confirm the specific cargo details: over 6,200 tonnes of wheat and 19,000 tonnes of barley, allegedly carried by the Panormitis.

Multiple web search results confirm that Ukraine formally asked Israel to arrest the ship carrying alleged stolen grain, and that this action escalated tensions, particularly because a previous vessel with similar cargo had been allowed to unload at Haifa.

Multiple web search results confirm that Israeli officials accused Ukraine of failing to provide sufficient evidence and used the term 'Twitter diplomacy' in the context of the dispute.