I saw this movie when I was very little. Probably from the 80's. A couple is lost at night in a desolate city, they walk so many street without seen anyone. I remember one scene where the guy break the glass of a store hoping that the police appears, but nothing happens. By the end of the movie a gang members are chasing them in the subway, they escaped from them when finally the sun rise.
Sorry my bad english, I hope you guys can help me.