Caravan seen along The Swale between Isle of Sheppey and Kent coast . Fixed to base of catamaran fitted with engine and surrounded by fence . Witnesses say man is in his 80s or 70s and launched it from boatyard .
Caravan seen along The Swale between Isle of Sheppey and Kent coast . Fixed to base of catamaran fitted with engine and surrounded by fence . Witnesses say man is in his 70s or 80s and launched it from boatyard .