齐先生失业多月，终日愁眉苦脸，更可气的是妻子也离他而去了。绝望之下，齐先生在家里开煤气自杀，整间屋都被炸得稀烂。不过，警方在侦查中发现齐先生是先煤气中毒而死的，而爆炸却是发生在齐先生死亡之后。 　　据大厦管理员反映，当时整幢大厦停电，所以警方排除了漏电引起 Mr. Qi unemployed for many months, all day long frown, even more annoying is his wife away from him. Despair, Mr. Qi gas suicide at home, the whole house was blown pulpy. However, the police found Mr. Qi was the first to die of gas poisoning during the investigation, but the explosion occurred after Mr. Qi’s death. According to the building manager, the entire building was powered off, so the police ruled out the leakage