A welcome arch erected by the Kalyan-Dombivli Municipal Corporation (KDMC) in Maharashtra's Thane district collapsed following which the police have filed an FIR against the contractor who executed the project, an official said on Thursday, reported the PTI.

The arch, put up at Chakki Naka in Kalyan (East) town, collapsed at around 11 am on August 27, the official with the Kolsewadi police station said. After the crash, KDMC officials lodged a police complaint against the contractor.