He said he ordered the coordinated attacks that killed about 200 people in Kano on January 20 and vowed that the group would strike again.
“We were responsible. I ordered it and I will give that order again and again. God gave us victory,” he said.
“If they (Nigerian security forces) are going to places of worship and destroying them, like mosques and Quranic schools, you have primary schools as well, you have secondary schools and universities and we will start bombing them,” Mr Shekau said. “Touch us and see. That is what we will do.”
Talking about the negotiations suggested by President Goodluck Jonathan between the sect and the government, he said: “He’s lying. He cannot do it. If Jonathan does not repent as a Muslim, even if I die myself, Jonathan’s going to see. He’s looking at me like I’m nobody, but he’ll see.”
The authenticity of the message in Hausa language, which played above a picture of Shekau with a Kalashnikov set in the background could not be independently verified. But the photo appeared to match with previous ones said to be of Shekau and the voice sounded similar to earlier recordings.
“We attacked the security formations because our members were arrested and tortured. Our women and children have also been arrested,” he said.
“They should know that they also have wives and children. We can also abduct them. It is not beyond our powers.”
“Soldiers raided an Islamic seminary in (the northern city) of Maiduguri and desecrated the Koran. They should bear in mind that they also have primary and secondary schools and universities, and we can also attack them.”