וַיָּבֹ֣א יְהוֹשֻׁ֡עַ וְכָל־עַם֩ הַמִּלְחָמָ֨ה עִמּ֧וֹ עֲלֵיהֶ֛ם עַל־מֵ֥י מֵר֖וֹם פִּתְאֹ֑ם וַֽיִּפְּל֖וּ בָּהֶֽם׃
So Joshua came, and all the people of war with him, against them by the waters of Merom suddenly, and fell upon them.
Read halakhic rulings (Jewish law) on Joshua 11:7: and classical halakhic sources.