O'Brien kicks to touch

Hewitt kicks ahead and the Dragons win a penalty as Alex Cuthbert holds on on the ground

The Dragons spread it wide and once again Hewitt breaks the line

Dragons have a scrum as Cardiff knock-on

Knoyle box kicks back

Cardiff turn the ball over and Williams chips ahead

Morgan clears and Hewitt has another run on the counter

which channel is this on i go to bbc wales and i get brave lol

HT here after a highly entertaining first forty minutes. We've had four tries already and we'll hope for more in the second period. The Dragons will be disappointed to have conceded two late tries to give the Blues a big lead at the break.

Steve Shingler throws a dummy as he spots a mismatch in midfield. He waltzes through the defence before chucking the ball to Navidi who scores under the posts