Murder and Banishment

act 3 scene 1:
how did the fight start? did anyone try to stop it? did Tybalt deserve to die?

When Mercutio and Benvolio arrived in the town square in Verona, Benvolio said to Mercutio to go home because that day was very hot and the Capulets are in the town, if they meet the Capulets they will get into a trouble. Then Tybalt arrives from the other side, Sampson and Gregory follow. Tybalt not interested in fighting with Mercutio but he was interested to fighting with Romeo, but Romeo was very kind he does not want to have any fights at all. Tybalt was surprised why Romeo does not want to fight with him. Mercutio asked Romeo why he acted so weak, he taking out the sword and asked Tybalt to fight with him (Mercutio). Finally, Mercutio and Tybalt start to fight.
Romeo steps between Tybalt and Mercutio , he puts up his arms to stop the fight and Tybalt pushes his sword into Mercutio. Mercutio falling down and feeling hurt. He asked to Abram to get a doctor, but Mercutio finally dead. Romeo was sad and he start to fight Tybalt, Romeo kills Tybalt. Finally Romeo ran away from the town, because he was afraid if the townspeople will catch him.
Tybalt was deserved to die, because he was the trouble-maker, he started the fight first, Romeo never done something wrong to Tybalt. Tybalt killed Mercutio too he always be the trouble-maker for the Montagues family.