Tel Aviv, Nov. 15 -- A former employee of outgoing Israeli Prime Minister Benjamin Netanyahu's office provided intelligence information against activists of the Arab party Ra'am (United Arab List), which led to their arrests in southern Israel ahead of election day, according to an investigative report by Israel's Channel 12 News.

The arrest happened after the information was entered into police computer systems.

Reacting to the revelations, Yashar party leader Gadi Eisenkot called for an immediate investigation into the reported involvement of the Prime Minister's Office and security agencies.

Ra'am, also known as the United Arab List, is an Islamist political party in Israel whose activists were at the centre of the arrests in southe...