India, Nov. 12 -- The National Investigation Agency took over the probe into Monday's vehicle-borne explosion at Red Fort on Tuesday, with intelligence pointing to a coordinated inter-state terror conspiracy linked to Pakistan-based anti-India groups.

Preliminary analysis based on recent crackdowns by Gujarat, Haryana and Jammu and Kashmir police, along with digital evidence, has placed both Jaish-e-Mohammad (JeM) and Lashkar-e-Taiba (LeT) under scrutiny, according to officials familiar with the investigation.

A senior official from a central intelligence agency said JeM remained a suspect because of its expertise in suicide vehicle-borne improvised explosive devices. LeT's involvement is being examined after intelligence agencies inter...