A group of 30 male passengers started chanting racist slurs onboard a Ryanair flight.

The men, onboard FR110 from Berlin Schoenefeld to Palma, Mallorca, on 28 May, were chanting “du Zigeuner”, a racist slur against gypsies that was used during the Holocaust.

The incident were filmed by fellow passenger Elisa Zenck, who was sitting a few rows ahead of the men.

She told The Independent that some members of the group, who were split up around the aircraft, were wearing clothes adorned with Nazi and far-right slogans.

The men were drunk when they boarded the aircraft for the 11.20am flight, she said.

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One man was wearing a European Brotherhood T-shirt and another was wearing a shirt that said “Kraft durch Freude”, which translates as “Strength Through Joy”, an organisation that operated during Nazi Germany, she said.

Posting about the flight on Facebook, she called the journey the “worst flight ever”.

“At least 30 drunk men, who were wearing t-shirts with the inscriptions ‘Division Mallorca – power through joy’ as well as ‘European Brotherhood’," she said.

Speaking to The Independent about the journey, Zenck called the situation “tense and violent”, particularly because they were in a closed space for the three-hour flight.

She added that even in the queue to board the aircraft, the group were saying inappropriate things to female passengers.

When the flight landed in Palma, other passengers “tried to get off the plane as soon as possible”, said Zenck. “I talked to one of the cabin crew, and she said every plane from Berlin to Mallorca in the summer is like that.

“The airline and the airport need to do something. It’s a policy issue.”

When contacted by The Independent, Berlin Airport said it had no knowledge of the incident.