Iran unrest: Protests death toll crosses 4,000, state TV hacked - top developments

Iran grapples with its worst crisis in decades amidst widespread protests, a brutal crackdown, and an ongoing internet shutdown. State TV broadcasts were disrupted, showing support for an exiled prince. Thousands are reported dead, with fears of executions rising. International pressure mounts as Iran faces a Davos snub, while US aircraft carrier movements near the Middle East heighten regional tensions.