At least seven people lost their lives in northwest Nigeria's Kano State on Sunday when a pedestrian bridge collapsed, the police said on Monday.

State police spokesperson Magaji Majiya, who confirmed the incident to Xinhua, said the bridge, which was still under construction, caved in and collapsed on a car, which was passing underneath it.

He said the workers at the site had warned motorists not to pass because they were working on the bridge but the driver of the taxi allegedly ignored the warning.

"So, the moment he moved; before he passed, the bridge caved in and collapsed on the vehicle, which led to the death of seven people," he added.

The vehicle has since been evacuated from the scene while the corpses have been deposited at a hospital morgue, he added.

Majiya said the police had launched an investigation into the cause of the incident.

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