In accordance with art 96 of the ANO, Jacks mate, the Secretary of state for Transport has been asked for a Temp restriction for flying regs over this area. The ECA (C Constable for Lancs) has initiated it and bingo - no-one allowed in (except the police helo etc).
You can certainly fly outside it - you should have stuck to your guns and gone flying (remaining outside) to see what happened. - Wussy