As the sun set at Daymer Bay on the beautiful north Cornish coast last night, police vans circled the beaches, waiting for the invasion. After years of suffering at the hands of posh, drunken teenagers causing havoc, the fight-back has begun.

Hundreds of what locals have dubbed "snob yobs" staggered from the two pubs in the village of Rock on Friday night and followed the winding road that leads to the beach. But, as they swarmed on to the sand, the police were waiting for them.