Extra Humberside police officers will be on duty in an attempt to stop known football hooligans attempting to get to Euro 2004 in Portugal.
Patrols are being stepped up at the King George Dock in Hull and at Humberside Airport.
A total of 64 people in the Humberside Police area are banned from travelling to the tournament which begins next weekend.
Police say they want to ensure that none of them slip through the net.
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