Terror Leader's Chilling Claim About 'Islamic Caliphate' in Nigeria: 'Allah Commands Us to Kill Without Pity

"Thanks be to Allah who gave victory to our brethren in [the town of] Gwoza and made it part of the Islamic caliphate," Shekau said. "By the grace of Allah we will not leave the town. We have come to stay."

According to the Telegraph, Shekau has expressed support in the past for Abu Bakr al-Baghdadi, the leader of the Islamic State, which is unleashing brutality on minority groups in Iraq and Syria. But despite this past support, it is unclear whether the northeastern town of Gwoza in Nigeria is considered part of the same caliphate established in Iraq and Syria — or a new, unrelated territory solely under Boko Haram's control.

FILE - In this file image made from video received by The Associated Press on Monday, May 5, 2014, Abubakar Shekau, the leader of Nigeria's Islamic extremist group Boko Haram, speaks in a video in which his group claimed responsibility for the April 15 mass abduction of nearly 300 teenage schoolgirls in northeast Nigeria. (AP Photo/File)

In other portions of the remarks translated and reported by Reuters, among other outlets, Shekau said that his group achieved success in Gwoza because it had "risen to do Allah's work."

And he offered up a chilling pledge to continue his extremist push for more land and power.

"Allah commands us to rule Gwoza by Islamic law," he said, speaking as two armed gunman surrounded him. "In fact, he commands us to rule the rest of the world, not only Nigeria, and now we have started."

Consider the description of another attack that Boko Haram reportedly waged in the town of Gamboru Sunday, as a local businesswoman who fled described to Reuters the horrific scene she observed.

"They were shouting 'Allah Akbar' (God is Greatest) and were shooting sporadically," Alice Adejuwon told the outlet. "We saw corpses on the streets as we ran out of the town."

Nigerian military officials have denied Shekau's claim that Gwoza is under the militant group's control and conditions on the ground are so difficult and dangerous that it's impossible at this point to determine which areas of land have been seized, if any. Some witnesses have reportedly said, though, that police and military were pushed out of the area, according to Reuters.

This file image taken from video posted by Boko Haram sympathizers made available on Wednesday, Jan. 10, 2012 shows Imam Abubakar Shekau, the leader of the radical Islamist sect Boko Haram. (AP) 

Shekau also described democracy as "worst than homosexuality" or "sleeping with your mother" in the video and he pledged to continue his killing spree.

"Allah commands us to kill without pity," he said.

After Shekau made these proclamations, the Telegraph reported that additional footage in the video showed militants firing rockets and grenades, seemingly taking over a base, stealing weapons and murdering victims, though it is unclear when these clips were taken.

As TheBlaze previously reported, over the past five years Shekau has become known for his disturbing proclamations, for violence and, most recently, for kidnapping Nigerian schoolgirls.

(H/T: Telegraph)