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The Cipher Brief curates open source information from around the world that impacts national security. Here’s a look at today’s headlines, broken down by region of the world.

Open Source Report for Monday, April 28, 2025

Report for Monday, April 28, 2025

Trump urges Russia to stop attacks, says Zelensky might cede Crimea

The Russian Military Moves That Have Europe on Edge

Iran says 'extremely cautious' on success of nuclear talks with US

Indian and Pakistani Soldiers Briefly Exchange Fire Along Kashmir Border

China seizes disputed reef in the South China Sea

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