Vital wickets fall at Old Trafford as the Three Lions try and fight back.
Australia fast bowlers Ryan Harris and Mitchell Starc claimed two important wickets to keep their side on top at lunch on day three.
Jonathan Trott went early when he edged to Michael Clarke at edge slip off the bowling of Harris, while Brad Haddin took an amazing catch when Cook edged down his leg-side off Starc.
England v Australia
Played at Old Trafford
Toss won by Australia
Australia 1st Innings 527-7 dec (M Clarke 187, S Smith 89, C Rogers 84, M Starc 66 no, B Haddin 65 no; G Swann 5-159)
England 1st Innings (overnight: 52-2)
A. Cook c Haddin b Starc 62
J. Root c Haddin b Siddle 8
T. Bresnan c Haddin b Siddle 1
J. Trott c Clarke b Harris 5
K. Pietersen not out 33
I. Bell not out 4
Extras (lb5, nb1) 6
Total (4 wkts, 57 overs, 247 mins) 119
Fall of wickets: 1-47 (Root), 2-49 (Bresnan), 3-64 (Trott), 4-110 (Cook)
To bat: J Bairstow, M Prior, S Broad, G Swann, J Anderson
Bowling: Harris 13-3-30-1; Starc 12-3-31-1 (1nb); Lyon 13-5-24-0; Watson 8-6-11-0; Siddle 11-3-18-2;
Match position: England are 408 runs behind Australia with six first innings wickets standing.