By Anastasiia Malenko KYIV (Reuters) -Russian forces hit a geriatric centre in the Ukrainian city of Sumy and targeted its energy sector in a new wave of airstrikes on Thursday, killing at least one civilian,

Over the past few months, Kyiv has grown in confidence and ambition as it has ramped up drone attacks inside Russia. It’s struck as far as 1,800km (1,118 miles) in the past, when a long-range radar was hit in the city of Orsk.

Russia's campaign of air strikes on Ukraine's energy grid probably violates international humanitarian law, a U.N. monitoring body said on Thursday, as Ukrainians prepare for the toughest winter since Russia's invasion.

The United States imposed sanctions on Thursday on a network of five groups and one person for enabling payments between Russia and North Korea to support Moscow's war in Ukraine and Pyongyang's weapons programs,

"The U.S. remains strongly committed to leveraging all our available tools to disrupt this and other schemes intended to support Russia's war of aggression against Ukraine and enable (North Korea's) illicit access to the international financial system,

The U.S. State and Treasury departments announced new sanctions Thursday on five groups and one person said to be involved in illicit payment mechanisms between Russia and North Korea. In a statement issued by the Treasury’s Office of Foreign Assets Control,