WATCH: Why didn’t the Zionist Union political partnership work?

The Zionist Union Party, forged in 2015, is no more after Labor Party leader Avi Gabbay’s surprise announcement on Tuesday that he was ending his partnership with Tzipi Livni’s Hatnua party.

Why didn’t it work out? Is this checkmate for opposition leader Livni? What other changes are ahead of the national elections in April?