Nagpur, July 3 : The main mastermind behind the murder of chemist Umesh Kolhe has been arrested from Nagpur, police said on Sunday.
The arrested has been identified as Irfan Khan (32), who runs an NGO, police said.
The 54-year-old chemist was stabbed to death in Amravati city of Maharashtra on June 21 and police suspected that the murder was committed as a retaliation for the post written by Kolhe supporting Nupur Sharma on Facebook.
The incident took place when Kolhe was going home back on a two-wheeler after closing his shop.
His son Saket (27) and his wife Vaishnavi were accompanying him on a different vehicle.
Meanwhile, a Home Ministry spokesperson on Saturday said that the killing will be probed by the National Investigation Agency (NIA).
The spokesperson tweeted that the NIA would probe the conspiracy behind the killing of the chemist, Umesh Kolhe, who was hacked to death on June 21.
The NIA would also thoroughly investigate any involvement of organisations and international linkages, the spokesperson said.
Apart from Irfan Khan, 5 more people have been arrested in connection with the killing of the chemist so far.