Iranian security forces have killed at least 3,428 protesters during a crackdown on demonstrations, with over 10,000 arrests. The Iran Human Rights NGO reported that many killings occurred between January 8-12. The judiciary threatens large-scale executions, prompting international concern. The protests began over economic issues, and tensions with the US and Israel are escalating. A mass funeral for security forces killed in the protests was held, while citizens express fear and uncertainty in the streets.