England stars urge Ashes caution

Jonathan Trott and James Anderson say Australia still have a chance of winning the Ashes, despite England's 2-0 series lead, ahead of the third Test at Old Trafford.

Trott says the hosts need to be "careful" and points out they are not even half way through the series.

Anderson adds that they are treating the next three games almost as a "separate series", as they prepare to face the visitors again on 1 August.

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