Scottish Labour's Anas Sarwar brands Malcolm Offord "a pathetic, poisonous, odious little man" after a TV debate clash.
With Greens only standing in six constituencies, the party's co-leader does not have the option of backing his party for the seat where he lives.
BBC Scotland journalists have analysed some of the policies in the Scottish Greens' manifesto for the 2026 Holyrood election.
The party has announced its policy plans ahead of the Holyrood poll on 7 May.
Co-leaders Ross Greer and Gillian Mackay have vowed free bus travel for all, as well as plans to expand funded childcare.
The Scottish Labour leader says he wants to bring down social security spending, but not by slashing benefits.
BBC Scotland News takes a look at the co-leaders of the party ahead of the 2026 Holyrood election.
BBC Scotland journalists have analysed some of the policies in Labour's manifesto for the 2026 Holyrood election.