Boy gets burned after leaving his phone in his parents’ room

Boy gets burned after leaving his phone in his parents’ room.
12 year old Jacob’s parents took his phone before going to sleep and in the morning, they went to shopping while he was asleep.
Jacob woke up to a burning smell and realised that his parents had gone leaving the stove on in their room.
Jacob was going to call the fire station but remembered his phone was in his parents room.
He was going to run out the door but the door was locked by his parents.
Jacob was in hospital for 5 months.