Mark Scoular, a police officer and ex-Royal Marine who founded Commando 999, said that the Marines would not let the bad weather hamper their marathon challenge over Remembrance weekend.
"It is wet, but we will all be cheery and absolutely fine, I'm sure. It will be a good old pace but we are all looking forward to it."
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Heavy rain will move into Northern Scotland today, and the winds will become strong here through the afternoon.
Mr Trump addressed thousands of supporters in Florida on Tuesday and responded to the mixed reviews he received during the debate.
Parents in Anglesey, North Wales, will have to show birth certificates in order to prove their child's age and qualify for the scheme.