Stalwarts fail again as England's Ashes on a knife-edge

England v Pakistan - Third Test - Edgbaston - 4/8/16 England's Alastair Cook speaks with Stuart Broad and Joe Root Action Images via Reuters / Paul Childs Livepic

PERTH (Reuters) - The torrid form of England's senior players showed no sign of ending on Sunday, as paceman Stuart Broad went wicketless and opener Alastair Cook's 150th test was spoilt by another cheap dismissal on day four of the third Ashes test.

Already 2-0 down in the series, England finished a rain-hit day at the WACA in a precarious position of 132 for four, still trailing Australia by 127 runs with an innings to spare.