My parents are fighting im crying?

hi im a 13 yro ld boy who never crys until tonight when my mom and dad were in a hottub and my dad wanted to get out then my mom said i want to stay in blah blah blah herest he end my dad left the hottub my mom was alone its like 12 am when it happened so mym om comes in 30 minutes later and unleashes on my father and stuff happened there screaming alot i locked my bedroom door and i started crying and thinking about suicide and running away im really scared help