The RNLI Padstow all-weather and Rock D class inshore lifeboats were used to rescue four adults and three children on Butter Hole beach in Padstow.
A cliff walker spotted the words "send for help" written in the sand.
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The Ven Ruth Worsley, Archdeacon of Wilts, is to be the next Bishop of Taunton in the Diocese of Bath and Wells.
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