A team of the district government seized 800 litres of chemical-laden milk near Kot Abdul Maalik on Tuesday. Acting on a tip-off that three milkmen were carrying the unhygienic milk in a van to Lahore from Khanqah Dogran. The team intercepted van near Kot Abdul Malik on Lahore Road and arrested the three milkmen. The milk was disposed of in Nullah Dek. The Factory area police have started investigation.