my student son has told me a story I should like to pass on so that you can warn your DCs who have recently started at university. Last week, after midnight, my son came across another boy lying semi-comatose on a pathway, apparently under the influence of drugs. My son and two bouncers from a nearby bar asked him what he'd taken. He wasn't at all with it but responded several times that he hadn't taken anything, so they suspected spiking. They managed to track down friends of the boy via his phone and when they turned up they said that they'd all been out to celebrate the boy's 19th birthday and no one noticed that he was missing. So please warn your DCs about spiking and staying with friends who are going to look out for them!