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An understrength Sharks side, who left Pollard's Springboks team-mates Siya Kolisi and Eben Etzebeth at home in Durban, replied through Manu Tshituka but failed to threaten much more as the hosts took control.

Wigan Warriors secured the League Leaders' Shield for the second consecutive season by scoring 11 tries in a dominant win against an understrength Salford Red Devils.

A report on structural failures at Belfast's Victoria Square claims that a column was "constructed using concrete that was understrength by some 75%".

The interim findings suggest a dozen other columns are also understrength, although to a lesser degree.

They point out that if there was understrength concrete used at the site, it is likely that one lorry load would provide enough for between 17 and 25 columns.