KYIV, Aug 20 – President Petro Poroshenko has announced the completion of tests of shells for the artillery system Hyacinth (Giatsint) and the beginning of their mass production.

"The testing of 152mm shells for the artillery system "Hyacinth" has been completed and at present the state joint-stock holding company Artem will start serial production of 152mm shells for supply to Ukraine's Armed Forces," Poroshenko said on his Facebook page on Monday.