mbriscoe says "Would you like to be the person responsible at the CAA if he imposed no restrictions and there was another similar accident next weekend? It seems quite reasonable to bring in temporary restrictions". [How do I get to have nice pale blue boxes for quotations?]
Bearing in mind that the last similar event in this country was in 1952, I would not lose much sleep. The statistical probability must be in the area of the likelihood of being struck and killed by space debris falling out of earth orbit.