Police in Cornwall issue a ban on gatherings at Polzeath beach following large groups of teenagers who arrive for end-of-term celebrations, according to reports. Residents say hundreds of pupils—described as coming from nearby private schools—swarm the beach and gather in groups, leading to concerns about disorder and public safety. The reports say the situation develops over several days and draws attention from the local community, prompting police action. The police ban is presented as a response to prevent further large congregations at the holiday hotspot. Specific details on the duration of the ban, enforcement measures, and whether any arrests or injuries are reported are not included in the provided material. The accounts focus on the scale of the teenager gatherings and the resulting police decision to restrict future assembly at the location.