Benvolio wanted him and  Mercurio to go inside to avoid fights with capulets. 

Tybalt enters with his group of people approaching Benvolio and Mercutio and asks to speak to one of them

Mercutio starts to taunt and provoke him. 

Tybalt provokes Romeo, 

Romeo tries to bring peace between them because he's married to Juliet, 

Tybalt commands Romeo to draw his sword. 

Romeo says he has good reason to love Tybalt, and is not trying to fight him

Mercurio draws his sword and says if Romeo will not fight Tybalt, he will.

Mercurio and Tybalt begin to fight. 

Romeo grabs Mercurio to try and regain peace

Tybalt stabs Mercutio under Romeo’s arm

Mercurio dies, cursing both the Houses

Romeo realize his love for Juliet has made him weak, and  he should have fought Tybalt instead

Tyblat and his men flee

 Romeo draws his sword to fight tyblat

Romeo kills tyblat 

He sees what he's done and runs 

Benvolio told the prince what happens