A person, identified as Binod Kumar of Barachatti in Gaya district has been detained for interrogation in connection with the serial blasts at Bodh Gaya on Sunday.
Bihar Director General of Police Abhyanand said Barachatti has been detained on the basis of a voter I card in his name which was found during search inside the temple after the explosions.
He told newsmen that lab tests have so far confirmed the presence of ammonium nitre in the crude low intensity bomb used in the blasts but there were no trace of TNT or other explosive material.
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Asked about possibility of Maoists involvement as Gaya is a naxal-hit district, Chief Minister Nitish Kumar, who was present, as well as the DGP avoided a direct answer and said it was a matter of investigation.
Kumar said the temple would be reopened for the people after the completion of search operations by NIA.
"The temple has been closed to help the NIA thoroughly search for evidences," he said.
Kumar said Sri Lankan President Mahendra Rajapakshe and several other personalities from world over had talked to him about the incident.