A Punjab and Sind Bank (PSB) manager was allegedly shot dead by security guard following verbal altercation in Ghaziabad. The incident took place at bank's Balram Nagar branch at Loni Border on Monday. Officials said the guard, an ex-serviceman, was miffed with manager over leave and salary issues. The deceased has been identified as 36-year-old Abhishek Kumar from Bihar's Patna.