Describe the death of mercutio ... Whose fault was it.

Fault: Romeo also didn't work hard enough to restrain Mercutio

Description: Tybalt and Mercutio draw and fight out their swords. Romeo moves in between them to avoid the fighting and Tybalt stabs Mercutio under the arm of Romeo. Mercutio's wound is fatal and he dies screaming "A plague o ' your two homes!" Blinded with rage over the death of Mercutio, Romeo hits Tybalt and kills him.