Sea World helicopter crash: Heartbreaking update on boys fighting for life in ... trends now Two young boys critically injured in the horrific mid-air collision between two Sea World helicopters are barely clinging to life in hospital. Pilot Ash Jenkinson, 40, Sydney mother Vanessa Tadros, 36, and British couple Ron Hughes, 65, and Dianne Hughes, 57, were tragically killed on the Gold Coast on Monday when their helicopter took off from the theme park's helipad and 20 seconds later collided with another chopper. Winnie de Silva, 33, and her nine-year-old son Leon from Victoria are among three passengers who sustained critical injuries when the helicopter nosedived into a sandbar on the Gold Coast Broadwater. Leon, who arrived in Australia last year to be reunited with his mum, has been placed in an induced coma at the Queensland Children's Hospital in Brisbane. His shattered stepfather Neil revealed on Wednesday Leon's condition remains a major concern. The other survivor on board was Ms Tadros's 10-year-old son Nicholas, is on life support in Gold Coast University Hospital, where he's already undergone four surgeries. Nicholas' grief-stricken dad Simon helplessly watched on as his wife was killed in the tragedy. Simon Tadros (left) is keeping vigil at his son Nicholas' hospital bedside as his mourns the loss of his wife Vanessa (right) Leon (left) is in an induced coma in Brisbane while his mum Winnie (right) is in intensive care on the Gold Coast Mr Tadros told The Courier-Mail on Wednesday to: 'Ask everyone to pray for my son that he wakes up and makes a good recovery'. 'He is on life support in a critical condition. So please he needs all the prayers he can get,' Mr Tadros posted on Tuesday night. 'Please keep your prayers strong, may God pull him back with me and make a good recovery.' Friends and neighbours back home at Glenmore Park in Sydney's west have paid tribute, including local state MP Tanya Davies. 'So often tragedies like these seem so far away from us but this devastating accident brings to home how precious and fragile life can be,' she wrote. 'Vanessa’s son Nicholas, is still in a critical condition in hospital. I pray for him and all the other surviving victims at this time. I especially think of Simon Tadros, Vanessa's husband and Nicholas' dad, who was on the ground at the time of the accident. He is by his son's side in hospital.' 'Life is precious and fragile. Treasure and appreciate your loved ones every day.' Nicholas' tutor Jenny Jordan also paid tribute. 'What an absolute tragedy. Our beautiful Tadros family, Aced It Tutoring are feeling the pain of this loss. Hold your loved ones close.' Nicholas Tadros continues to fight for life in hospital following the crash that killed his mum Vanessa (pictured) Winnie de Silva has two broken legs, a broken right shoulder, a broken collarbone and a damaged left knee after the Sea World helicopter crash An online fundraiser has raised almost $5,000. 'We are praying for a miracle that our Nicky, (as he is playfully known) can be brought back to his grief stricken father Simon,' family friend Rochelle Fajloun said. 'If by God's grace Nicky survives his catastrophic injuries, he will have an intense and protracted recovery period. Please keep him in your prayers.' 'Simon distressingly witnessed the accident unfold and is totally shattered. 'With all of the emotional pain that death brings, it can also bring significant financial burden. Any donations that can help the family during this difficult period will be most appreciated. 'Please keep this genuinely wonderful and much loved family in your thoughts and prayers as they prepare for a life like they've never expected.' Neil de Silva broke down as he provided a heartbreaking update on stepson Leon and wife Winnie on Wednesday morning. Leon (pictured) has a fractured skull and is in an induced coma The Geelong family had travelled to the Gold Coast for a 'budget' holiday when he shouted the pair a 10-minute joy flight while visiting the theme park. Mr de Silva's wife remains in intensive care on the Gold Coast as her son Leon fights for life in Brisbane. 'Leon's the worst at the moment, he's in an induced coma because of the head trauma and trauma on the brain,' he told the Today show on Wedesday. 'Our major concern is Leon when they wake his up today that he's okay.' 'I'm just doing what I can for them, I've got no choice.' The mid-air collision claimed four lives and critically injured three others on board (pictured, the crash scene) Mr de Silva watched in horror as his loved ones plummet to the ground moments after their helicopter 'I thought they were dead, I couldn't imagine anyone surviving,' he recalled. The 52-year-old pilot of the second helicopter, Michael James, and four of his five passengers suffered shrapnel wounds when the cockpit was struck by the main rotor of the other aircraft. Three of the six people from the second helicopter, including the pilot, are still in hospital, a Queensland Health spokesperson confirmed. That second helicopter's passengers included a Western Australian woman and two New Zealand couples in their 40s who were travelling together. A shrine of tributes is building near the site of the Gold Coast helicopter crash All rights reserved for this news site (dailymail) and under his responsibility