The Nigeria Police say a second explosion has rocked the ancient city of Kano.

According to Premium Times, the police announced the fresh explosion via its twitter handle.

The explosion came less than five hours after a blast tore through the Hotoro area of the city, killing no fewer than five persons.

The police say the second explosion was also detonated by a female suicide bomber just like the first.

“One female suicide bomber about 18yrs died, 6 persons injured,” the police announced.

There is panic across the city and sorrow is etched on the faces of residents, our correspondent says.

Details later…