ENGLAND are investigating how their detailed plans for bowling in the fourth Ashes Test were leaked to Australian radio station ABC.

The tourists suffered another disappointing day with Australia fighting back to claim a 213-run lead on 372 for seven after Matthew Hayden and Andrew Symonds both scored centuries and forged a 279-run partnership.

But while they were struggling on the pitch, England suffered the further embarrassment of ABC Radio revealing the plans prepared by analyst Mark Garaway, which detail the best ways for dismissing Australia's line-up.