A major public health alert has been declared after a cyanide spill by Anochrome Ltd contaminated a canal in Walsall, West Midlands. The spill, confirmed to be sodium cyanide, has led to dead fish surfacing and poses severe health risks to humans and animals. Local authorities have installed temporary dams to contain the spread and urged the public to avoid the contaminated area. The Environment Agency, alongside other agencies, is investigating the incident and has promised robust enforcement if any wrongdoing is found. Anochrome Ltd has admitted responsibility, stating that their senior management is working to minimize and contain the spill. Residents are advised to avoid the canal and seek medical help if they experience symptoms related to cyanide exposure.