Mumbai, Aug 01: Mumbai Police have deployed special teams to trace premises stocking chemical explosives and other combustible material without valid permission, following the Jogeshwari blast. "We have begun a massive operation since yesterday to gather information about such illegal storage," joint commissioner, (law and order), Ahmad Javed told a news agency today.

Our police teams are now in the process of gathering information and we will soon be chalking out an action plan with a view to initiate action against such illegal storage, he said.

"I will also be holding a meeting of the special effects and dummy effects association to gather information about the number of such people working in the business of providing special effects of explosion in films," he said. "We shall also try to trace out the number of people holding valid licences and the safety measures adopted by them during the process," he added.

Meanwhile, crime branch sources said the police were currently questioning Ayub Khan, nephew of Dilnawaz Khan who was among those killed in the explosion. We are questioning him but we do not wish to disclose the information gathered at this stage, the crime branch official said.

We are examining both the accident and the sabotage angle, he said.

Seven persons were killed and nearly 26 injured in an explosion in the house of Dilnawaz khan at suburban Jogeshwari yesterday. Bureau Report