Figures obtained by ITV Anglia show hundreds of gas appliances have been worked on by unregistered engineers here in the East of England.
Nearly 250 jobs were carried out by unqualified engineers over the past two and a half years.
Nearly one in five of those were so dangerous the appliances had to be disconnected immediately.
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A pilot who died in a crash at a motoring event in Cheshire yesterday twice coxed Cambridge to victory in the Boat Race against Oxford.
Some early cloud possible but sunny spells breaking through readily in the morning, becoming prolonged by the afternoon.
The pilot, from the Gnat private display team died after the display aircraft he was in crashed near the CarFest event in Cheshire.