Stuart Broad was on a hat-trick in his first over of the Ashes tour - yet England ended day one against Western Australia regretting the early dismissal of one of their own openers.

The rattled hosts stumbled to nought for two before half-centuries from opener Wes Robinson (62) and Adam Voges (72) aided the recovery to 242 for eight declared.

That left England with an awkward six overs of batting in mildly deteriorating light - too much for Alastair Cook, who could do with early runs Down Under to silence the doubters but was instead curiously bowled off his midriff as he attempted to pull Steve Magoffin.

WA captain Marcus North chose to bat first in this three-day match at the WACA, and it was he who accompanied Robinson in an important third-wicket stand of 42.

Voges then helped the opener add 87 more, and the tail had enough substance to defy England's best efforts and carry their team to an acceptable total on a predictably pacy pitch.

Broad finished with three for 47 from 18 overs, while James Anderson claimed one for 48 from 22 overs.

Steven Finn, Graeme Swann and Paul Collingwood also chipped in with a wicket each.

A canny declaration by the hosts came after just two overs with the second new ball - much to Cook's ultimate regret as England closed on 10 for one.