What's the title of this action movie?

The movie is about a policeman and two yakuza, one of whom walked with case, fastened to the hand cuffs. This young yakuza walks through the city in search of his partner. For not to bleed to death he takes to bandage for the wound in the lady's toilet. In the end, he comes into the bar, wearing dark glasses and dying. Second yakuza became to be like a friend of the policeman. He died at the end of the movie fell into the hole in the floor formed by the explosion. Police officer had no weapons, but only one in the yakuza patron. He threw the gun to the last cartridge to policeman so he could defend himself.