Michiel Hartzuikerfrom Dutch news agency NOS told ITV News that security forces were, "taking no risks" in their response after a plane landed in Schipol airport amid reports that there were hostages aboard.
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Three people have been arrested and charged in connection with violence between West Ham and Chelsea fans at the former Olympic stadium.
This year's poppy appeal is giving special emphasis to the plight of younger service veterans.
West Ham fans clashed with Chelsea supporters on Wednesday during an EFL Cup tie, a game which the Hammers won 2-1.