Ashes First Test Day 4

Australia's Marcus North gets off to a cracking start Photograph: Nick Potts/PA

The frustration begins to show for England's Andrew Flintoff, as the wickets just won't come Photograph: Gareth Copley/PA

Brad Haddin of Australia hits out watched by Matt Prior Photograph: Tom Shaw/Getty Images

Australia's Brad Haddin celebrates his century with Marcus North on his way to an innings of 121 Photograph: Nick Potts/PA

Worcestershire's Simon Jones waves the Welsh flag in the crowd at Sophia Gardens Photograph: Paul Childs/Action Images

Australia's Marcus North takes his turn to celebrate a century Photograph: Nick Potts/PA

Mitchell Johnson celebrates dismissing Alastair Cook lbw for 6 Photograph: Andrew Winning/Reuters

Floodlights come on as the weather begins to turn Photograph: Carl Recine/Action Images

Ben Hilfenhaus celebrates taking the wicket of England's Ravi Bopara... Photograph: Andrew Yates/AFP

...for just 1 run, much to the delight of the Australians. Photograph: William West/Getty