The family of the missing pilot of the plane carrying the footballer Emiliano Sala have set up a fundraising page for donations to restart a search for him.
"Southampton Football Club can confirm that two fans were detained and had their details taken by police during our match against Cardiff City on Saturday", said a statement from the club.
Argentine footballer Emiliano Sala's family grieved on Friday after British authorities formally identified his body as the one recovered from the wreckage of a plane that went down in the Channel more than two weeks ago.
But David Ibbotson, from Crowle, who was lying Sala to the United Kingdom to join Cardiff City, has not been found.
The club further maintained they will not condone such indecent gestures towards Cardiff supporters.More news: Latest photo leak for cheapest Galaxy S10 is completely bananas
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Fans took to social media to slam the two men.
Cardiff chairman Mehmet Dalman described Sala's disappearance as a "tragic accident" but said the light aircraft was not organised by the club.
In a later interview with French newspaper L'Equipe, Cardiff chairman Mehmet Dalman indicated that Nantes had sent an invoice for the first instalment, worth 6m euros (£5.27m).
However, the striker's initial disappearance and subsequent death did not dampen Cardiff in their pursuit to get out of relegation zone as they battled Southampton to a 2-1 victory at St. Mary's.
Bluebirds manager Neil Warnock and his players bowed their heads as a minute's silence was impeccably observed before kick-off at St Mary's Stadium.