Team GB's Tonia Couch and Sarah Barrow have progressed into the semi-final of the women's 10m platform at the World Aquatics Championships in Kazan, Russia.

Couch scored 328.70 in this morning's preliminary round to take ninth place, while Barrow's 308.90 was enough to take her through in 17th spot.

European champion Barrow left it late to seal her qualification spot, progressing from 31st to with two dives to go to 17th.

Thirty-seven divers took part in the preliminary stage, with the top 18 going through to the semis.

China's Ren Qian finished first with her score of 411.40, while compatriot Si Yajie took second place with 377.75.

Couch and Barrow, who finished sixth in the 10m synchro earlier in the competition, will return for the semi-final this afternoon.