By Tim Hanlon A 16-year-old has told how “more and more people” kept entering his parents’ home during a party gate-crashed by hundreds of revellers. The A-level student had intended around 40 friends to round to the house in Worthing, Sussex last Friday while his mum was away on holiday in Portugal. But details of the party were shared on social media and so by 8.30pm the chaos had descended on the street and police needed to be called in with more than 300 teens gathered. Other residents on Poulters Lane reported cars being attacked and seeing ambulances turning up at the house. And an 18-ye…