Kalwa, Nov. 6 -- The Kalwa police have arrested a 33-year-old man for allegedly stabbing his neighbour to death. The deceased, Omprakash Tiwari, 42, had intervened to sort out the fight between the accused and his friend. The accused Munirul Mansukh Shaikh and his friend Suraj Mohhammad Ali Shaikh were arguing Tiwari tried to play peacemaker. Tiwari lived with his wife and two children in the same locality....