Pune : A metallic substance which was part of a ball bearing was surgically removed from the head of one of the five injured in the July 10 low intensity blast here.

The operation was carried out at a private hospital yesterday after the blast victim, Jasawant Singh, discharged after first aid on the day of explosion, complained of persistent headache and nausea to owner of a 'Vada Pav' shop where he worked. The owner of the snack centre, located adjacent to the blast spot, Datta Jadhav said he took Singh to the private hospital as the CT scan machine at the government-run Sassoon hospital was not functional.