At least 300 shops were on Tuesday razed in Asaba, the Delta State capital.
Gone with shops were articles valued at millions of naira, leaving traders in tears.
The shops were situated close to the popular Ogbeogonogo Market.
The fire was put out four hours later, but many shops were already burnt.
A storage at Burutu Market in Burutu council area of the state was also burnt down on Tuesday.
Though no life was lost in the blaze, traders whose wares were consumed wept as they counted their losses.
Police spokesman, DSP Onome Onowakpoyeya who confirmed the incident, stated that the cause of the blaze was yet to be ascertained.