Delhi Police on Tuesday registered an FIR under the Unlawful Activities (Prevention) Act and the Explosives Act in connection with the blast near Red Fort that claimed nine lives, officials said.

As reported by news agency PTI, raids are being conducted at multiple locations by Delhi Police in view of investigating the matter. After the unfortunate incident which took place in New Delhi, the entire national capital region has been placed on high alert, with strict vigilance being maintained at the airport, railway stations and bus terminals.