The Centre described the near simultaneous explosions in Pune as a planned and coordinated act. Union Home Secretary R K Singh said forensic experts were examining the two unexploded IEDs and nature of the four blasts. "Since the blasts have taken place within an area of 500 metres and within a span of 45 minutes, it appears to be a coordinated act. I am sure there was a plan behind it," he said. Singh said teams of National Investigation Agency, National Security Guards and Central Forensic Science Laboratory reached Pune early this morning and were examining the explosives.