Kolkata: Tension ran high at Institute of Neurosciences Kolkata (INK) at Mullick Bazar on Friday morning after family members of a patient, who died in the hospital, ransacked a portion of the hospital alleging negligence.The family members of the victim alleged that the patient died of negligence on part of the hospital authorities. According to police, a 65-year-old man from Garden Reach area was taken to the hospital on January 14 after he complained of chest pain. Also Read – Speeding Jaguar crashes into Mercedes car in Kolkata, 2 pedestrians killedA chaos broke out at the hospital on Friday morning after the patient was declared dead by the hospital authorities. Some family members of the victim staged a demonstration at the Reception area of the hospital. Some other later joined the agitators. They ransacked a portion of the hospital and damaged the registration book of the patients and other documents. Some of the staff members of the hospital were also manhandled by the irate mob. The injured staffers have been admitted to the hospital after suffering injuries. The hospital authorities called up Beniapukur police station and a huge contingent of police rushed to the spot and dispersed the mob. They brought the situation under control. The hospital authorities, however, deny such allegations and have lodged a complaint at the police station following which a probe has been initiated. One person has reportedly been detained for interrogation. A detailed probe has been initiated.