HUBLI: A 60-year-old man suffered heart attack while standing at the witness box in the civil court on Tuesday in Hubli. Sub-urban police station inspector K Puttaswamy told TOI that the deceased is Basavantappa Kabade, a resident of Bhavani Nagar, who had come to the court as a witness to a case pertaining to Rent Control Act. All of a sudden he collapsed in the witness box due to heart attack and died on the way to the hospital, police said.