England must improve - Rowntree

England forwards coach Graham Rowntree says the team must improve if they hope to beat Wales in the Six Nations at Twickenham on Saturday.

Interim coach Stuart Lancaster's side have won their first two games in this year's tournament, away to Scotland and Italy respectively, but Saturday's clash at home against the unbeaten Welsh may prove to be a sterner test.

Speaking to BBC Sport's Ian Robertson, Rowntree says he respects Wales' "class" and "intensity", but believes England will be ready for them.

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