Sri Lanka, March 2 -- Iran's internet blackout has now lasted for more than 48 hours, according to cybersecurity watchdog NetBlocks, as the war enters its third day.

Internet shutdowns have previously been a go-to tactic for the regime, with a previous period of inactivity recorded in January for several weeks during anti-government protests.

CNN staff on the ground note there is some online connectivity and not a full-scale blackout like last month.

Meanwhile, Hassan Khomeini, the grandson of the founder of the Islamic Republic and a possible contender for the position of Iran's next Supreme Leader, has urged the country's citizens to remain on the streets and inside mosques.

"Do not leave the streets and mosques for a moment. Our so...