Several seats, left undecided after Saturday's State election, remain on a knife edge as counting continues.
There was a sizeable swing to the incumbent Liberals in the seat of Eyre today.
Graham Jacobs now leads by 130 votes after trailing for several days.
The boost came from 865 absentee votes that arrived overnight.
Of those, 510 gave Mr Jacobs their first preference, while the remaining 355 went to Nationals candidate Colin De Grussa.
The Collie-Preston count remains a cliffhanger, with incumbent Labor MP Mick Murray leading Liberal challenger Jaimee Motion by just 27 votes.
In another tight contest, Labor's long-serving Midland MP and former police minister Michelle Roberts is ahead of her Liberal opponent Daniel Parasiliti by 64 votes.
Almost all election material has now been received at the count centre, with hundreds of postal votes, including final arrivals from overseas, expected to be tallied over the next two days.
On Saturday, full preference distributions will be conducted for the seats of Collie-Preston, Eyre, Midland, Kimberley, Belmont and Warren-Blackwood.
In the Kimberley, Labor's Josie Farrer is in the lead with 26.69 per cent of votes, trailed by the Liberals with 25.74 per cent and the Greens with 23.54 per cent - although the Greens could receive a boost from Nationals preferences.In seats where margins remain 100 or less, the WA Electoral Commission will offer recounts.
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