SP Tyagi is the first IAF chief to be charged in a corruption or a criminal case (File)New Delhi: A Delhi court on Friday directed the CBI to cancel look out circular (LOC) issued against former IAF chief and co-accused SP Tyagi in the VVIP chopper scam.Special Judge Arvind Kumar directed the probing agency to inform the concerned authorities regarding this.The CBI on September 1, 2017, had filed a charge sheet in the case in which Mr Tyagi and British national Christian Michel were named among the accused.Nine others were also named in the charge sheet in connection with a bribery case in the VVIP chopper deal.Mr Tyagi, 73, is the first chief of the Indian Air Force to be charged in a corruption or a criminal case by the CBI and he has denied all charges against him.