Shameless sunseekers abandoned piles of rubbish on Bournemouth beach after a 'major incident' was declared on the hottest day on the year.Thousands flocked to the seaside town to soak up the sweltering 33C heat on Thursday causing carnage.Bournemouth, Christchurch and Poole council condemned the "irresponsible" behaviour of crowds who gridlocked roads, dumped rubbish, parked illegally and some who reportedly got involved in fights.Around 33 tonnes of litter was also dumped with shocking photographs showing hundreds of plastic bottles, cans, carrier bags and clothing lying on the sand.In Devon, armed police turned people away from beaches, with hundreds fighting, cops being pelted with coins, and locals saying: “It’s worse than New Year’s.