Kaden Mirza was reported missing on Tuesday after failing to return from schoolCredit:Abid Mirza “He’s [Kaden] been watching videos and checking web for all this and then deleting it and never left a clue. He planned it quite well.”Several people and police appealed through social media and posters were even made and handed out in an attempt to find him. Following the incident South Yorkshire Police said the craze was dangerous and could even be “catastrophic.” Det Insp Anna Sedgwick said that despite the craze appearing as “a bit of fun” to youngsters “the risks and harm that could be caused are by no means humorous and could be catastrophic.”She added: “Warehouses and shopping departments contain large quantities of heavy stock and items that could easily fall and crush someone.” A few weeks before the incident Mr Mirza had seen Kaden looking at how to stay in school for 24 hours undetected, but when he confronted his son Kaden said he’d just heard children at school speaking about it and was “looking it up”. Mr Mizra added: “Be very careful and if you do go to supermarkets, stores or specially IKEA just watch out for kids on their own specially after school report them please.”Ikea said they are reviewing security procedures to better prevent incidents such as this. The father of an 11-year-old boy who went missing as part of an internet craze has warned other parents to “keep an eye” on their children’s browsing history to curb the spreading trend. Kaden Mirza was reported missing on Tuesday after failing to return from school. He was found the next day after a night in Ikea’s Sheffield store.Abid Mirza said his son had been taking part in a “stay in Ikea overnight and not get caught challenge”.Mr Mirza took to his social media page to share the experience, saying it had been a “very rough time” for his family and hoped no other parents would have to go through the same ordeal. Encouraging parents to monitor their children’s online searches, he said: “Look at their phones, tablets anything they’ve got and go through their history to see anything that’s not normal. Ikea said they are reviewing security procedures to better prevent incidents such as thisCredit:Darren O’Brien/Guzelian Want the best of The Telegraph direct to your email and WhatsApp? Sign up to our free twice-daily Front Page newsletter and new audio briefings.