Ireland's Katie O'Brien registered a tremendous victory in the final of the PR2 single sculls to claim the gold medal at the World Rowing Championships in the Czech Republic.
O'Brien was the wire-to-wire leader over the 2000m course and crossed the finish line after nine minutes 25.23 seconds.
Australia's Kathryn Ross was O'Brien's closest challenger, but the competitor who was fastest in qualifying finished just over 10 seconds behind the victorious Galway para rower.
Ukraine's Anna Aisanova took the bronze medal as she claimed third place.
Elsewhere, Zoe Hyde and Sanita Puspure advanced to Sunday's double sculls final as the Irish duo finished in second place behind the Dutch team.
Lydia Heaphy finished third in her lightweight single sculls B final, with Hugh Moore also third in his lightweight single sculls D final.
Four boats contest finals on what is set to be a mammoth Saturday for Irish rowing.
Paul O'Donovan and Fintan McCarthy will look to retain their lightweight double sculls world title while Aoife Casey and Margaret Cremen chase glory in the corresponding women's event.
Katie O'Brien and Steven McGowan take on the mixed double sculls final, while Aifric Keogh, Eimear Lambe, Fiona Murtagh and Emily Hegarty line up in the final of the women's four.
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