I'm urinating blood, it hurts, and i don't know what to do...:(

:'( i was coming home from school and i had to use the bathroom so i stoped by McDonlds and i used the bathroom, when i left i had to use the bathroom again , but the closest place there was with a bathroom was the park so i went.while i was in there i used the restroom again..i didn't poo but i urinated i didn't urinate a lot but it hurt so i checked and noticed that my urine was hot pink kinda red.I urinated a little more than once.I started to freak out so i went home...i'm still urinating blood and i still have to urinat again...what to i do??? :'( :$