YORKSHIRE are on the brink of defeat against Nottinghamshire at Trent Bridge.
At lunch on day four, the home side are 149-4, requiring another 25 for victory.
Opener Ben Slater has 64 and wicketkeeper Tom Moores is unbeaten on one.
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Yorkshire took three wickets in the morning session after Notts began the day on 42-1.
First to go was Ben Duckett, moments after bringing up an 80-ball half-century, when he dragged on an attempted cover-drive off Jordan Thompson.
Duckett added 98 for the second-wicket with Ben Slater and his departure left the hosts 107-2.
Slater - dropped on 15 in the day’s third over by wicketkeeper Harry Duke off Ben Coad, diving in front of first slip Tom Kohler-Cadmore - reached his fifty from 83 balls with nine fours.
Notts slipped to 130-3 when first innings centurion Joe Clarke skied spinner Dom Bess to Kohler-Cadmore at mid-off to depart for 10, and then to 143-3 when Coad produced a fine ball to bowl Steven Mullaney for nine past the outside edge.