前不久，某中学发生了一起食品中毒事件。假设你叫李华，是这个学校的一名高三学生。请你给某报社英文栏目编辑写一封信（100词左右），反映一下该情况。内容要点应包括以下几个方面：
1. 20多名学生因中午吃了学校食堂的饭中毒；
2．你目睹了他们中毒后在老师和其他同学的帮助下脱险的经过；
3．呼吁社会采取行动杜绝此类事件再次发生。
注意：信的开头与落款已给出，不计入总词数。
Dear editer,
I'm writing to tell you about a food poisoning incident in my school.                        
                                                                                       
                                                                                       
                                                                                       
                                                                                       
                                                                                       
                                                                                       
                                                                                       
Yours,
Li Hua