YSR Congress chief Jaganmohan Reddy was stabbed in arm at Vishakhapatnam airport.Visakhapatnam: National Investigation Agency (NIA) officials arrived in Visakhapatnam on Saturday to take charge of investigation into knife attack on YSR Congress chief YS Jagan Mohan Reddy in October last year. In absence of either a court order or a written directive from state government, Visakhapatnam city police allegedly refused to hand over probe to probe agency , top police sources said.A NIA inspector arrived in Visakhapatnam Saturday and  approached Special Investigation Team of Visakhapatnam city police for details related to case, sources said."The NIA came with only a circular issued by Union Ministry of Home Affairs that case has been handed over to it for investigation There is neither an order of High Court nor an order from state government in this regard.

As such we can't give away any records of case," a top police official said.The main accused in case Srinivasa Rao is currently in judicial custody in Visakhapatnam jail.Jagan Mohan Reddy, Leader of Opposition in Andhra Pradesh assembly had escaped with a "deep" cut on his left shoulder in attack by Srinivasa Rao, who had approached him when he was leaving VIP lounge to board a flight to Hyderabad and asked for a ''selfie''.Meanwhile, Chief Minister N Chandrababu Naidu, while addressing a public meeting in Srikakulam district on Saturday, said handing over of case to NIA proved Centre's "highhandedness."