(ANSA) - BELGRADE, JUL 3 - The United States has reportedly warned Poland that Moscow is planning an armed provocation against the country to "test NATO's resolve," even though "the prospect is still several months away," according to Ukrainska Pravda, citing the Telegraph and the Polish newspaper Onet. According to sources close to Poland's president, Washington warned Warsaw that Russia was planning an armed provocation against the country in order to "test" NATO and force Western partners to suspend aid to Ukraine. (ANSA).