India, Jan. 24 -- The death toll from the Iranian government's deadliest crackdown on protesters has climbed to 5,137, according to aggregated data from the Human Rights Activists News Agency (HRANA).

At least 7,402 people have suffered serious injuries, while the total number of arrests has risen to 27,797, the agency reported.

Meanwhile, Iran has enforced a near-total nationwide internet blackout since January 8. According to monitoring group NetBlocks, the blackout has now entered its third consecutive week, lasting 348 hours, HRANA said.

Although the "killing on the streets of Iran may have subsided," Turk warned that "the brutality continues."

He stressed that violent repression does not resolve Iran's challenges but instead fuel...