DALIAN - A fire ripped through a Wal-Mart outlet in Dalian, a port city in Northeast China's Liaoning Province, Wednesday morning, local authorities said.

No casualties have been reported.

The fire broke out at 9 am on the fifth floor of the outlet, giving off heavy smoke, a spokesman with the city's emergency response office said.

Six people have been rescued and more than 10 fire trucks are working to put out the fire, the spokesman said.

The cause of the fire is being investigated.