A number of sporting fixtures in France have been postponed after the attacks across Paris in which at least 128 people were killed.
All European Rugby Champions Cup and Challenge Cup matches set to be played in France this weekend have been called off.
However the French Football Federation said Tuesday's international friendly against England at Wembley would go ahead following three days of national mourning.
The European Rugby Champions Cup fixtures that have been postponed include Glasgow Warriors' match against Racing 92 and Bath's trip to Toulon that was scheduled for tomorrow.
Saturday's two Challenge Cup matches in England involving French sides will go ahead.
Worcester Warriors host La Rochelle, while London Irish take on Agen.
Northampton Saints Director of Rugby Jim Mallinder has declined to comment on speculation he could succeed Stuart Lancaster as England Head Coach.
Most bookmakers have Mallinder among the frontrunners to take over. However there is speculation English rugby's governing body, the RFU, may go for an overseas candidate.
Kieran Brookes was one of three Northampton Saints players who featured in England's failed World Cup campaign. He says he's not surprised about the speculation given Mallinder's skill as a coach:
This was the reaction of Worcester Warriors fans as they left Sixfields last night, after they watchedtheir men steal a place in the Aviva Premiership with a try in the last minute of the game.
After a conversion from Ryan Lamb, the score on the night finished 30 all, but meant that Worcester won by the slimmest of margins on aggregate 59-58.
Worcester Warriors are back in the Premiership after a thrilling Championship final against Bristol at Sixways.
Just a single point separated the teams ahead of the second game, but Bristol looked like they'd done enough after three quick tries put them fourteen points up with ten minutes to go.
But a last ditch try from Chris Pennell put Worcester within touching distance and Ryan Lamb kept a cool head to convert to put the Warriors back in the Premiership. It finished Worcester 58 - Bristol 58.
Dylan Hartley's World Cup hopes are under severe threat after the England hooker was hit with a four-week ban for headbutting Saracens' Jamie George.
The fiery Northampton hooker's guilty plea in Wednesday's disciplinary hearing may just prove a shrewd enough move however to salvage his World Cup participation.
Hartley will miss England's three World Cup warm-up games and the tournament opener against Fiji at Twickenham on September 18.
In a thrilling last few minutes Worcester Warriors scored a try in the dying seconds of the game to bring to win the Championship final against Bristol at Sixways.
Chris Pennell scored the final try with seconds to go, before a conversion left the score at 59-58.
Northampton Saints: Foden; K Pisi, G Pisi, Burrell, north; Myler, L Dickson; A Waller, Haywood, Ma'afu; Dickinson, Day; Clark, Wood (capt), Manoa
Replacements: McMillan, Corbisiero, Denman, Nutley, Dowson, Fotuali'i, Wilson, Stephenson
Harlequins: Brown; Yarde, Hopper, Lowe, Monye; Swiel, Care; Lambert, Ward, Collier; Matthews, Robson; Trayfoot, Clifford, Easter (capt)
Replacements: Gray, Marfo, Sinckler, Twomey, J Chisholm, Dickson, Casson, R Chisholm
Northampton Saints fans are in high spirits ahead of the game against Harlequins, at Twickenham, which starts at 4.30pm.
Wasps are hoping to break the attendance record for a regular Premiership Rugby fixture as they prepare to play their first home game at the Ricoh Arena in Coventry.
More than 27,000 people are expected for Sunday's game against London Irish.