Why Israel’s election is one of the most important in its history

Tuesday's vote could see Benjamin Netanyahu's almost two-decade-long period of right-wing rule replaced by a more left-leaning government.Emerging as Netanyahu's main challenger is Gadi Eisenkot, a former military chief of staff, who says the election is about Israel's identity as a liberal and tolerant democracy.Netanyahu has made security central to his campaign, warning that electing his rivals would risk making Israel less safe.

Security and democracy emerge as central issues in Israel's highly anticipated general election, as Middle East correspondent Lucy Williamson reports.