New Delhi: Ammonium nitrate was used to trigger the car explosion near Jama Masjid which took place just hours after an attack there on a vehicle carrying foreign tourists, police said on Monday.
They said no RDX or detonator was used to carry out the explosion.
The explosion had taken place on Sunday, some 50 m away from Gate No. 3 of the Jama Masjid and near a police station just hours after two Taiwanese nationals were shot and injured outside the mosque.
A top official said the probe into the explosion has been handed over to the premier Special Cell of Delhi Police on Monday morning.
A case under Explosive Act has been registered in the incident.
About the firing incident, he said a case under IPC 307 and Arms Act, has been registered and investigations are on.
Investigators have questioned about 30 people following Sunday’s incidents of firing at the foreigners as well as the explosion.