According to a report in The Daily Telegraph, Gareth Clear's smartphone which was in his back pocket caught fire after he fell from his bike. He landed on his iPhone 6.
"Seconds later he noticed smoke and a searing heat, before hearing an explosion as the phone he'd had for just six months ignited, melting through his shorts and two layers of skin on his upper right thigh," reported the daily.
The injury is reported to be so serious that Clear had to undergo skin graft at Royal North Shore Hospital (Sydney).
According to the report, the back of smartphone was completely damaged. However, the top remained "perfectly intact".
Apple company, reportedly, told Gareth Clear that the it will be carrying an investigation into the incident.