Prop Alex Corbisiero touched down after just two minutes, to put the Lions ahead against Australia in the series decider.
Full-back Leigh Halfpenny kicked the conversion from in front of the posts, to put the Lions 7-0 ahead.
More top news
Dull and damp for much of Wales as we start the day, with drier and brighter weather on the way this afternoon.
The heaviest of the rain will ease overnight. Remaining mild but breezy around coastal areas.
Every time you give blood, you save a life. And for 70 years, more than 10 million units of blood have been donated in Wales.