显然，那些人是在受到一支巡逻队的盘问后开的火。The men apparently opened fire after they were challenged by a patrol.那天夜里巡逻队之间发生了一场冲突.There was a brush between patrols that night.巡逻队 报告一切平安无事.The patrol have [ has ] reported that all is quiet....

“巡逻队”的英语可以翻译为：a patrol party，a military patrol...