Can I break my lease without paying due to unsanitary conditions?

Question Details: I moved into a 1 bedroom apartment about 10 days ago without viewing it due to the previous tenants still occupying the space. Upon moving in, the smell of mouse urine/droppings filled the air and mold on top of it. To make maters worse, there were spiders/bugs/centipedes and my car was towed by the complex in a parking lot with no tow warning signs. After I got my car back, I talked to them about the insects etc. This was done yesterday. Although I know we signed the lease and I get that we made a deal, I feel that we had no idea what we were getting. They only had weak pictures of a place that resembled the apartment we moved into. I am afraid to sleep now because of the insects we have found; I fear that my cats and dog will get sick if they accidentally eat one of the creatures as well as us ourselves getting sick of having them about ourselves. I don't want to stay here anymore even though the complex is supposedly going to fix it. I can't trust this place and don't think that I will ever be comfortable here. Can I break my lease and not worry about a charge? Is there anything I can do other than wait?

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