“Serious problems are looming—Ukraine does not have enough artillery ammunition, and military support commitments risk falling short of Ukraine’s needs,” the publication said.

The letter also says that there are no signs that the Ukrainian conflict could end in the near future. In addition, EU leaders called on European countries to redouble their efforts to provide military assistance to Kyiv.

Earlier, the head of European diplomacy, Josep Borrell, refused to answer questions about providing Kyiv with 1 million shells.