Flanker Liam Gill is being rushed back from the Under-20s world championship campaign in Italy to rejoin Super Rugby leaders the Queensland Reds.

Gill had only just arrived in Milan with the Australian squad when he was directed to fly back to Brisbane following injury to outstanding Reds openside breakaway Beau Robinson.

He is the second Reds player to be released from Under-20s duty by the Australian Rugby Union (ARU) as the Queenslanders gear towards the Super Rugby finals.

Winger Dominic Shipperley was withdrawn as injury cover before the squad departed for Italy.

Robinson suffered a dislocated elbow in the Reds' 17-16 win over the Crusaders at Suncorp Stadium on Sunday, an injury that is expected to sideline him for up to six weeks.

"We said when the squad was first selected that if injuries occurred at the Super Rugby level we would look at assisting the provinces by releasing players back to them from the under-20s squad," said ARU chief John O'Neill.

"Clearly the Reds were in that situation following the unfortunate injury to Beau Robinson and we moved quickly to ensure that Liam Gill would return from Europe immediately."

West Australian Ted Postal will replace Gill in the under-20s squad.

Australian Under 20s coach David Nucifora still has plenty of options at No.7 with skipper Colby Faingaa, fellow Brumbies flanker Michael Hooper and Reds backrower Eddie Quirk all boasting Super Rugby experience in the position.

The under-20s will base themselves in Padova from June 6 ahead of the June 10-26 tournament.

Australia has been drawn alongside Fiji, France and Tonga in Pool B.

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