杭州通报一学校多名学生流鼻血事件

Group 1 - The core viewpoint of the article is that the Hangzhou government has established a joint working group to investigate the recent reports of multiple students experiencing nosebleeds in a school located in the Qiantang District [1] - The joint working group consists of representatives from the municipal ecological environment, health, education departments, as well as provincial and municipal experts, media representatives, and student parents [1] - The government emphasizes its high concern for student health and has committed to timely updates regarding the investigation and subsequent actions [1]