Protests erupted worldwide Sunday in response to US airstrikes on three Iranian nuclear facilities. Thousands marched in Tehran, joined by President Masoud Pezeshkian, with major gatherings at Azadi Square, Ferdowsi Square, and Parliament. Demonstrations also took place across US cities like New York, Washington, and Los Angeles, as well as in London, Paris, Turkey, Pakistan, and Jordan. Clashes occurred in London, resulting in arrests. Protesters condemned the violence, calling for peace amid growing Middle East tensions.