Jake Melksham flies to beat the pack and cashes in with the easy goal from in front for the Demons.

The U.S. team at the swimming world championships in Singapore is battling a case of "acute gastroenteritis" that compromised performances Sunday.

Matthew Timoko has provided the game-defining presence to lead Canberra to a 44-18 win against Newcastle, building a four point buffer over the second-placed Melbourne Storm.