A bomb explosion has occurred at a market in Bauchi State, hours after a blast killed nearly 20 people in Gombe State.
Details of the latest attack are sketchy, but one witness said the blast occurred at about 5:30 p.m. as traders were preparing to close for the day.
Witnesses said the explosion occurred near a police outpost inside the market.
The police spokesperson, Haruna Mohammed, confirmed the attack but said he had no details yet.
Some witnesses said at least 15 people were killed in the attack.
The blast came hours after another explosion killed 19 people in neighbouring Gombe State.
Police said the Gombe attack occurred at a crowded bus station, and that 25 people were injured.
A similar attack occurred in Gombe October 31 killing 23 people.
More details later.