Washing one who died in an accident and whose body has been cut

If it is not possible to wash him, then tayammum (“dry
ablution”) may be done for him, because of the general meaning of the
aayah (interpretation of the meaning): 

“So keep your duty to Allaah and fear Him as much
as you can”

[al-Taghaabun 64:16]

and because Allaah has prescribed tayammum for purification
from both major and minor impurity in cases where water is not available,
or where it is not possible to use it, or where using it will cause
harm. 

And Allaah is the Source of strength. May Allaah bless
our Prophet Muhammad and his family and companions, and grant them peace.