1 Chr 19:9

וַיֵּצְאוּ֙ בְּנֵ֣י עַמּ֔וֹן וַיַּֽעַרְכ֥וּ מִלְחָמָ֖ה פֶּ֣תַח הָעִ֑יר וְהַמְּלָכִ֣ים אֲשֶׁר־בָּ֔אוּ לְבַדָּ֖ם בַּשָּׂדֶֽה׃

The Ammonites marched out and arrayed themselves for battle at the entrance to the city, while the kings who had come stayed by themselves in the open country.