天水一幼儿园幼儿血铅异常，8人被刑拘！

Core Viewpoint - The investigation into the abnormal blood lead levels in children from a kindergarten in Tianshui, Gansu Province, revealed that the issue stemmed from the illegal use of colored paint in food preparation by the kitchen staff [1][2]. Group 1: Incident Details - The Tianshui City investigation team found that the principal and investor of the kindergarten instructed kitchen staff to purchase colored paint online, which was then diluted and used in food [1]. - The police seized remaining paint that was hidden, which was confirmed to contain lead and was labeled as inedible [1]. - Two food samples from the kindergarten showed lead content of 1052 mg/kg and 1340 mg/kg, significantly exceeding the national food safety standard limit of 0.5 mg/kg [1]. Group 2: Health Impact and Response - A total of 251 children were tested, with 233 showing abnormal blood lead levels and 18 normal [1]. - Following the incident, experts from the Gansu Provincial Health Commission and the National Health Commission were dispatched to provide medical guidance and treatment [2]. - The case has been classified as a public health incident resulting from a criminal act, leading to the detention of eight individuals involved for producing toxic and harmful food [2].