Wallaby Tom Banks suffers gruesome injury

Tom Banks receives medical attention in the Wallabies-England Test.
Fullback Tom Banks suffered a serious arm injury in the Wallabies-England rugby Test in Perth. -AAP Image

Wallabies fullback Tom Banks faces an extended stint on the sidelines after suffering a sickening arm injury during the 30-28 win against England in Perth.

Quade Cooper was a last-minute withdrawal after straining his left calf in the warm-up on Saturday night, but it was the injury to Banks that left viewers squeamish.

After leaping high into the air in a bid to catch Nic White's 22nd-minute restart, Banks' left arm bent the wrong way as he crashed to the ground.

The 28-year-old immediately realised the extent of the damage, and he was in clear pain as he was taken off the field on a medicab.

Adding to the Wallabies' woes, prop Allan Ala'alatoa went off in the 26th minute after copping a knock to the head and he was unable to return.

The night of injury carnage for the hosts started even before kick-off. 

The Wallabies were completing their warm-up at Optus Stadium when Cooper injured his left calf.

The 34-year-old was consoled by teammates as he slowly trudged off the field.

Noah Lolesio was thrust into the starting line-up in place of Cooper at No.10 while James O'Connor was brought onto the bench.

Cooper led the Wallabies to five straight wins last year after his four-year exile from the national side came to an end, and his absence leaves a massive void.

O'Connor was part of a corporate function before the match but he was rushed to the rooms to get changed once Cooper's injury was confirmed.

Lolesio played a key role in the win, nailing all three conversions to go with three-of-three penalties to keep England at bay.

His last two conversions - from near the sideline - were particularly crucial, given the Wallabies were down to 14 men following the 34th-minute red card to lock Darcy Swain.

O'Connor entered the field late in the match, but by then the contest was already won, with two late tries to England - including one after the final siren - only adding respectability to the scoreline.