Lille and Manchester United have been fined by Uefa following their fraught Champions League match last month.
Uefa launched an investigation after United fans appeared to be pushed against a 10-foot high fence and at least two people were lifted to safety.
The French club must pay £42,000 for poor security and organisation at the stadium - and the furious reaction of their team to Ryan Giggs' winning goal.
United were fined around £6,300 for the poor behaviour of their supporters.
The French team threatened to walk off the pitch after Giggs' goal, which came from a quickly-taken free-kick.
Uefa's control and disciplinary body imposed the fine on United after some fans let off fireworks, and others were involved in disturbances at the entrance to the stadium.
A statement from Uefa said: "The French club were fined 100,000 Swiss francs for breaches of security provisions and lack of proper organisation, as well as for the improper conduct of the team after United's goal in the English side's 1-0 victory."
The statement added: "Manchester United have been fined 15,000 Swiss francs for the improper conduct of their fans at the game, which included the setting-off of fireworks and disturbances at the entrance to the stadium.
"Appeals may be lodged against the verdicts within three days of receipt of the written grounds for the decisions."
United believe a tragedy was only narrowly averted after supporters became crushed into a section of the Stade Felix-Bollaert but the head of security at the stadium had accused United fans of sparking the problems with "violent behaviour".
United strongly denied the claims.
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