Security measures tightened, surrounding streets patrolled closely as site is 'likely target' for militias backed by Tehran, says report in opposition Iranian news channel

Police source tells Indian daily that officers are questioning college students from Kashmir 'to ascertain their role' in the explosion

Indian counter-terror investigators reportedly believe the IRGC tasked a local cell with planting the remote-control detonated device in January in New Delhi

Letter addressed to ambassador says he is under constant observation, cites slain Iranian commander, nuclear scientist, is signed by 'Indian Hezbollah'

Ron Malka says impossible to know yet who was behind attack but 'Iran is an option'; diplomatic mission's activities continuing under high alert as investigation proceeds

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Ron Malka says Friday explosion near embassy 'could have ended differently in other circumstances'; letter claiming responsibility cites killings of Iranian officials

Note found near scene reportedly says Friday's New Delhi explosion was just a 'trailer'; 2nd claim on Telegram by unknown group says device targeted Indian government, not Israel

Blast appears to have been caused by a small improvised explosive device; Israeli FM orders 'all necessary security steps be taken'

90,802 cases added in past day push total past Brazil's to 4.2 million, now behind only the US, yet government easing restrictions in effort to resuscitate economy