A couple was injured when plaster from the ceiling of an apartment in a ground-plus-two-storey structure collapsed on them in Thane on Tuesday, a civic official said.

The incident took place around 10.30 am in the Chikhalwadi area of Kopri in the city, said Avinash Sawant, the chief of the regional disaster management cell (RDMC) of the Thane Municipal Corporation said.