As tree-houses were being spliced together, siege provisions were also being stowed underground in old tunnels. "This time we've got a real chance of winning ... it'll be very difficult and very expensive to get us out," one protester said.
A spokesman for the National Health Service Executive's Northern and Yorkshire region said:"Our sole intent in this matter is to realise as much revenue as we can for the public purse and the NHS."
But York City Council, the city's Labour MP Hugh Bayley, its Chamber of Commerce and many residents are opposed to the development.
Last Friday Mr Bayley wrote to the chief executive of the American developer BAA Mc-Arthur Glenn demanding a meeting. "We must try to persuade the developers that their plans are not wanted by York," Mr Bayley said.Reuse content