circumstances

The circumstances that led to the fire are not yet clear.

However, he cannot be sentenced to a whole-life term for his crimes - which would mean he would not be released from prison except in exceptional compassionate circumstances - because he is under the age of 21.

“These are exceptional circumstances, and I cannot in good conscience do nothing,” Biden said in a statement.

Firstly, the measure can only be used in the "most exceptional circumstances and as a matter of last resort".

He was sentenced to death on 17 December, with the court hearing that the circumstances of his crime were "particularly bad" and "extremely serious".