The union said this via its official Twitter handle, in reply to a question.
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It had called of its three-month strike in February after reaching an agreement with the federal government over issues bothering on staff welfare among others.
“Thinking of going on another 3 months strike action,” it wrote.
It is not yet clear if the union was joking but the tweet did not go down well with many Nigerians.
While some said the post was “useless”, others used some unprintable words while attacking the union.
Below are some of the reactions to the tweets: