The army said it was a search for members of Islamist insurgency Boko Haram in Maiduguri, the epicenter of the fight against the militants, in an area of the city that included the United Nations compound.
At least 30 other properties were ransacked in the area, because a source told the army, that members of Boko Haram, were hiding around there.
Stunt looking security forces including military have raided the United Nations Head Office along Pompomari Bye- Pass road in Maiduguri Borno state.
The United Nations on Friday had halted various operations around the northeast, but following reassurances from Nigeria those resumed on Saturday, said Lundberg.
The visit was also to send a message of synergy to rebuild public confidence in humanitarian workers at the United Nations rented property and those operating in other parts of the state.
He said the governor had contacted the UN Deputy Secretary-General, Amina Mohammed and informed her on the development.
"In their conversation, Shettima reassured the DSG of his government's commitment to safeguarding humanitarian workers and ensuring that worldwide protocol was restored by all security agencies", the statement said.
At the meeting both the military and the United Nations officials discussed their areas of concerns with Governor Shettima making sure the United Nations was fully reassured of diplomatic protection and protocol. "At about 2 am early this morning, Nigeria Army troops in trucks are conducting.[a] search on UN Red Roof Humanitarian camp and forced their way into the property", said the internal document.
The meeting agreed to deepen relationship between security agencies and worldwide partners operating in Borno State for the good of residents.