(Reuters) - Russia signed a strategic partnership treaty with Iran on Friday that follows similar pacts with China and North Korea. All three countries are adversaries of the United States, and Russia has used its ties with them to help blunt the impact of Western sanctions and boost its war effort in Ukraine.

The presidents of Russia and Iran have signed a broad cooperation pact to deepen their partnership amid stinging Western sanctions

As South Korean authorities extended President Yoon Suk Yeol's detention, his supporters stormed the courthouse that issued the warrant, smashing windows with police shields.

Yoon became the first sitting South Korean president to be arrested. South Korean investigators probing Yoon for alleged insurrection asked a Seoul court on Friday to extend his detention after he refused to be questioned.

Police in South Korea have arrested dozens of people after supporters of impeached President Yoon Suk Yeol stormed a court building, smashing windows and furniture. The district court in the capital,