1. Ukrainian long-range attack drones struck four Russian oil refineries as well as radar stations and other military targets in Russia.

2. US and China resumed semi-official nuclear arms talks in March for the first time in five years.

3. Hezbollah's chief said nowhere in Israel would be safe in the event of war.

4. Slovakia’s new government asked police to investigate a former minister for supplying jets and air-defense systems to Ukraine.

5. China's Huawei Technologies said it had made breakthroughs in fields from operating systems to artificial intelligence.