A team of the National Investigation Agency (NIA) and personnel of the Andhra Pradesh intelligence bureau investigating the Hyderabad blasts arrived here today. “A team of NIA and SIB (Hyderabad) arrived here this morning,” a senior police official told PTI on condition of anonymity. With investigators trying to put together pieces of evidence, nearly 40 people have been questioned by the police and central probe agencies, for the blasts in Hyderabad that left 16 dead on February 21. PTI