Abuja, July 2 -- The authorities in Nigeria's southwestern state of Lagos, the country's economic hub, on Tuesday began enforcement of the ban on single-use plastics below 40 microns to address environmental concerns and promote sustainability.

Tokunbo Wahab, the commissioner for environment and water resources in Lagos, told reporters at a press conference that any store found storing or selling single-use plastics would be sealed, while warning everyone to desist from such acts.

"There will be no going back from July 1 on the enforcement of the ban on single-use plastics, which are less than 40 microns in Lagos State," Wahab said.

Offenders will be punished according to the environmental laws of the state, he said, noting that exten...