"Following a powerboat incident in Weymouth yesterday, Mike Lovell and Dan Whapples both sustained serious injuries and were air-lifted to Southampton General Hospital.
"Overnight Mike Lovell sadly succumbed to his injuries. Dan Whapples is in a serious but stable condition. A further statement will be issued when more details are available.
"Our thoughts are with the whole powerboat community and particularly with Mike and Dan's family and friends." Powerboat P1 Management.
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Dry and sunny tomorrow and feeling warm.
Mild tonight with warm sunny spells and light winds tomorrow.
A section of the M3 has been closed and bomb disposal units are at the scene after reports of "potential hazardous material in the road".