Mumbai Police registered 27 FIRs between November 4 and 9 over alleged unauthorised firecracker sales, storage, display and transport during Diwali. DCP Akbar Pathan said a prohibitory order effective November 3 to December 2 bars such activities without valid licences. Police cited public safety concerns and reported action against vendors in Worli Koliwada, Malad East and Jogeshwari.