A chemical-laden tanker overturned into a drain on the Mumbra bypass road in the Kausa area of Thane on Saturday morning causing traffic jams on the highway.

The incident which occurred around 5:00 AM was reported by the Mumbra Fire Station. According to the preliminary information, the tanker, bearing the registration MH 04 EY 9134 and owned by M. Aarti Pharma, was en route from Bhoisar to Jalna with a cargo weight of 25 tons, primarily consisting of chemical sulfuric acid.