Australia retain Women's Ashes as England collapse to fourth straight defeat despite Sophia Dunkley efforts

Sophia Dunkley’s half-century was not enough for England - (Getty Images)

Australia retained the Women’s Ashes in dominant fashion as England collapsed to a 57-run defeat in the first T20 international.

Heather Knight's side arrived at the Sydney Cricket Ground having lost all three one-day internationals and knowing only victory would keep their slim Ashes hopes alive.