Wins for Jankovic, Dementieva and Williams at Wimbledon

Ladies' second seed Jelena Jankovic is safely into the fourth round of Wimbledon.

The Serbian came back from a set down to beat Denmark's Caroline Wozniacki 2-6, 6-4, 6-2.

Four-time winner Venus Williams and Russian fifth seed Elena Dementieva are also through.

Venus cantered past Maria Jose Martinez Sanchez in straight sets but Dememtieva survived two early breaks to beat Gisela Dulko 7-6 (7-2), 6-4.