RFL make fixture announcement following the death of Her Majesty Queen Elizabeth II
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The decision means the Championship game between Sheffield Eagles and Dewsbury Rams will be postponed, with a new date set to be confirmed as soon as possible.
Meanwhile, the Super League elimination play-off between Catalans Dragons and Leeds Rhinos will go ahead as scheduled due to the match taking place in Perpignan.
A minute’s silence will take place before kick off, and both teams will wear black armbands.
Further announcements will be made about the weekend fixtures at all levels, following meetings on Friday morning.