An RNLI hovercraft crew rescued three teenagers who were cut off by the tide – with officials since issuing a warning about temperature rises. Volunteers rushed to Hunstanton lifeboat station after their pagers went off at 7pm on Sunday. Hovercraft Hunstanton Flyer and her three-strong crew were on their way to the scene at Titchwell within 10 minutes of the alarm being raised by HM Coastguard. The craft made good progress on a flooding tide and located the three young men, who were uninjured. The crew transferred them to Brancaster, where they were handed over to coastguards. The RNLI has als…