Council staff were put on alert to deal with the increasing numbers of casualties.
Staff at Selby DC advised police on getting a 1,000-tonne crane into the area.
Deputy chief executive Mike White said: 'We attended a meeting at police headquarters and have offered our help wherever it is needed. The civic centre is available if accommodation is required.'
Newcastle City Council social services were on standby and bereavement counselling staff from York City Council were on hand at York District Hospital.