There was apprehension at the Works ministry on Thursday as protesting civil servants grounded activities after the minister, Dave Umahi, locked out over 300 staffers and directors that resumed work late.
The civil servants expressing their displeasure also demanded an apology from the minister.
Earlier, the minister upon resumption at 9.30 am was said to have prevented workers who came to work late from gaining access to the ministry for over four hours.
After the gate was opened, the workers, comprising both Housing and Works Ministry, refused to enter the ministry and resorted to an impromptu protest barricaded the entrance gates.