evidence: Two political stalwarts - Edwin Poots and Sir Jeffrey Donaldson - are both vying to become the next leader of the Democratic Unionist Party (DUP). [...] There are 28 MLAs - including Mrs Foster - and eight MPs, who make up the electoral college. [...] The result must then be ratified by the DUP's executive committee, which is made up of MLAs, MPs, peers, as well as five representatives from constituency associations and delegates from the party's university and youth organisations.