Presser on investigation into poisoned dumplings

The Chinese police determined that a recent incident was not related to pesticide residue but was a deliberate act. After thorough investigation, they found a minimal chance of poisoning occurring within five countries. However, Japan did not agree to China's request for a site inspection, leading to diplomatic tension. The news broadcast concluded with a farewell.

中國警方認為此次事件的原因是什麼？

調查結果對於食品安全的影響是什麼？

此次事件是否與農藥殘留問題有關？

根據調查，荼毒發生在五國境內的可能性如何？

日方對我方提出的查看現場實驗案的反應是什麼？