New Delhi, April 10 -- Tahawwur Hussain Rana, a 'key conspirator behind 2008 mayhem', was successfully extradited and arrested, the National Investigation Agency (NIA) said on Thursday, as a special flight carrying the 26/11 Mumbai terror attacks mastermind arrived in Delhi.

Rana has been accused of being involved in the 2008 Mumbai terror attacks in which over 160 people were killed.

"With the active assistance of USDoJ, the US Sky Marshal, the NIA worked closely with other Indian intelligence agencies, NSG through the entire extradition process, which also saw India's Ministry of External Affairs and Ministry of Home Affairs coordinating with the other relevant authorities in the United States to take the matter to its successful conc...