Russian President Vladimir Putin on Wednesday introduced martial law in Ukraine’s Donetsk, Lugansk, Kherson and Zaporizhzhia regions that Moscow claims to have annexed. “I signed a decree to introduce martial law in these four subjects of the Russian Federation,” Putin said during a televised National Security Council meeting. The Kremlin then published a decree saying martial law will be introduced from early on Thursday. Putin’s announcement came as Ukrainian forces advanced in territory held by Moscow for months. “The Kyiv regime refused to recognise the will of the people, rejects any prop…