<p>"One FSL has given the report that RDX was used in the Delhi High Court blast," Union Home Secretary R K Singh told PTI.<br /><br />"The investigation is progressing in the case and a blow by blow account cannot be given," Singh said on the sidelines of an event here.<br /><br />This report is said to be received from the Gujarat Forensic Sciences Laboratory (GFSL), according to sources.<br /><br />Fifteen people were killed and over 70 others injured in the blast that occurred outside gate number 5 of the court complex.<br /><br />Opinions of various forensic labs have been differing over the explosive used in the blast.<br />While a few have suggested the use of Nitrate-based explosive material, forensic experts from NSG had suggested a mix of Ammonium Nitrate with PETN.<br /><br />The National Investigation Agency (NIA) is probing the blast case even as a number of e-mails were received by the investigators claiming responsibility for the act of terror.</p>
<p>"One FSL has given the report that RDX was used in the Delhi High Court blast," Union Home Secretary R K Singh told PTI.<br /><br />"The investigation is progressing in the case and a blow by blow account cannot be given," Singh said on the sidelines of an event here.<br /><br />This report is said to be received from the Gujarat Forensic Sciences Laboratory (GFSL), according to sources.<br /><br />Fifteen people were killed and over 70 others injured in the blast that occurred outside gate number 5 of the court complex.<br /><br />Opinions of various forensic labs have been differing over the explosive used in the blast.<br />While a few have suggested the use of Nitrate-based explosive material, forensic experts from NSG had suggested a mix of Ammonium Nitrate with PETN.<br /><br />The National Investigation Agency (NIA) is probing the blast case even as a number of e-mails were received by the investigators claiming responsibility for the act of terror.</p>