West Ham chief executive Baroness Brady has slammed "mindless" fans for attacking Manchester United's team bus - and vowed the culprits will be banned for life.
Bottles and other objects were thrown as the coach was hemmed in by supporters near West Ham's Boleyn Ground in east London, where they played their final ever game before moving to the Olympic Stadium.
Police boarded the coach after it became trapped and kick-off was pushed back by 45 minutes as the Manchester United squad arrived an hour late.
The coach's tinted windows were damaged and video footage showed pieces of the bus falling from its sides.
Lady Brady wrote on Twitter: "I, the Board and everyone at West Ham United totally condemn the unacceptable behaviour we saw outside the ground last night.
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