Overview

• Putin acknowledges Moscow attack by radical Islamists but suggests Ukraine link without evidence.
• Islamic State claims responsibility for the deadly Moscow terror attack, killing 139 and injuring over 100.
• Ukraine and U.S. dismiss Putin's claims linking Kyiv to the attack as baseless and propaganda.
• Suspects in Moscow terror attack visibly tortured before court, raising human rights concerns.
• U.S. had warned Russia of an imminent attack in Moscow, based on intelligence, but the warning was not heeded.