Norwegian Airlines won't give me compensation for a cancelled flight

It tried to avoid a payout by claiming a punctured tyre was an ‘extraordinary circumstances’I am a member of the Facebook page “Norwegian Airlines Experiences from Hell” citing numerous nightmares people have endured. Our original flight to Gatwick was due to depart Fort Lauderdale at 22.00 on 16 February. As the plane was pushed off from the gantry we were told that it ran over debris, which punctured the tyres. We disembarked and queued for several hours for information