rental problem.,?

Ok just moved into an apartment. Was told ther was no acess to the basement. they lied, so i went down there. This apartment was hit by the flood we had,s o there's still 3inches of mud down there and on top of that mold, yes i know not good, talked to landlord, they could care less. Who do i contact for assistance, and to break my lease. I am paying alot to die young from black mold.i live in upstate ny please help.