The influencer, 20, lost his mother Jade when he was just four years old after she died from cervical cancer in 2009, and has since been raised by his dad Jeff.
Madrid's Mayor has urged people to stay where they are, while the regional president has called for an emergency plan to be activated so soldiers can be deployed.
A group of mountaineers plan to travel from Heathrow to the summit of Mount Everest and back in just seven days - a feat which usually takes veteran climbers up to 10 weeks.