Ireland's Thomas Barr has finished second in the opening heat of the 400m hurdles at the World Championships to reach the semi-finals in Doha.
Barr clocked a time of 49.41 seconds as defending World Champion Karsten Warholm claimed top spot in 49.27.
India’s Jabir Madari Plliyalil was third in 49.62, while Jamaica's Kemar Mowatt took fourth in 49.63.
The top four in each of the four heats qualified automatically for the semi-finals on Saturday (4.05pm), with the next four fastest men also advancing.
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Michelle Finn missed out on a place in the final of the 3000m steeplechase.
The Leevale athlete needed to finish in the top three to guarantee herself a spot in Monday's final, but she was ninth in a time of nine minutes 47.44 seconds, which was just over six seconds slower than her personal best.
The heat was won by Kenya's Beatrice Chepkoech in a time of 9:18.01.