She has set a new personal best in a time of 13.44 seconds.
Kate O'Connor has set a new personal best in the 100-metres hurdles event in the Pentathlon at the World Athletics Championships in Tokyo.
The Dundalk woman finished third in a time of 13.44 seconds.
O'Connor is currently in action in the High Jump event.
Later today, Brian Fay is in Heat 1 of the 5000 metres, with Andrew Coscoran and Darragh McElhinney in the second heat.
Those events take place after 12-noon Irish time.

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