Webeight protesters — seven from new england and one from california — were arrested friday after they blocked the entrance and exit to elbit systems, an. Webthree people were arrested after employees at the elbit systems of america facility in merrimack, n. h. , called police just before 8 a. m. On monday to report. Webthree people were arrested monday after protesters targeted the merrimack facility of an international defense electronics company based in israel.