希腊一工厂爆炸致4死多伤

Group 1 - An explosion occurred at a biscuit factory in Trikala, Thessaly, Greece, resulting in 4 fatalities, 1 missing person, and multiple injuries [1] - The explosion caused significant structural damage, splitting the factory into two parts, with walls toppled and the roof collapsed [1] - At the time of the incident, 13 workers were on the night shift at the factory, and rescue operations are complicated due to ongoing fire and severe structural damage [1] Group 2 - The investigation into the cause of the explosion has begun, with a focus on potential gas leaks as a primary area of inquiry [1] - The explosion reportedly took place in the production area, specifically near gas-operated baking ovens [1]