BBC News 1 March 2023
- Two trains have collided in Greece, killing at least 36 people and injuring dozens of others
- A passenger service carrying some 350 people crashed with a freight train on Tuesday night
- The Greek president has called the crash an "unimaginable tragedy" and three days of national mourning have been declared
- The first two carriages of the passenger train were almost completely destroyed after catching fire, the regional governor says
- Rescuers have been working through the night at the crash scene near the city of Larissa
- The head of a railway union has told local media it's not clear what caused the crash, which is Greece's deadliest in recent years
