Staycationers are warned to take extra care while camping and driving on coastal roads in South West Tents and awnings collapse at Camp Bestival in Dorset and organisers delay opening the public arenas Bosses at clifftop glamping site Seaview Tipis in Cornwall tell guests to 'pack up and go' for their safety Three-day Rock Oyster Festival in Cornwall is under threat and has delayed opening until midday today